College is a time of exploration, both inside and outside of the classroom. However, most students only have four years of higher education — and it goes by quicker than you think. 

Here is our list of the things every student should do during his or her time in college. Some are easier to seek out than others, but we promise that each of these is an experience worth having. 

This bucket list will take students all around their schools, into the depths of the library, and even outside the boundaries of campus. While some of these involve alcohol, it's no secret that college eventually just becomes an excuse to find different ways and places to drink (and most of us can legally drink by senior year).

So, here is the list what you have to do during your time in college. Feel free to add your own suggestions in the comments below. 

Write an article for a campus publication.

Strip down and streak through campus, the library, a classroom, or — for the truly adventurous — a board of trustees meeting.

Take a trip off campus and explore your surrounding area.

Bugatti celebrated the world premiere of its Legend "Jean-Pierre Wimille" Veyron Grand Sport Vitesse vehicle in Pebble Beach, California last week.

The two-toned blue stunner was designed to pay tribute to the 1937 Bugatti 57G Tank, and is named after its LeMans-winning driver.

The car is part of Bugatti's exclusive six-part Legends edition series of the Veyron 16.4 Grand Sport Vitesse. Each model will be limited to just three vehicles.

This particular car has about 1,200 horsepower and can reach 253 miles per hour — with the top down.

Here you can see the new Wimille Legend (left), along with its predecessor, the 57G Tank, in Pebble Beach.

Jean-Pierre Wimille took home Bugatti's first victory in the 57G Tank at the famed Le Mans 24-hour race in 1937.

The "JP Wimille" is a powerful car; it hit a top speed of 253 miles per hour in April 2013.

Hedge fund manager Alphonse "Buddy" Fletcher, Jr., who was featured in the book "Stock Market Wizards," is selling his Connecticut "castle"for $8.85 million, Curbed reports. 

Fletcher purchased the 17-room Cornwall, Connecticut estate for $5.9 million, according to Vanity Fair article.

He's had some legal issues lately.

His namesake hedge fund firm, Fletcher Asset Management, is being sued by trustees of three Louisiana public pension plans over $145 million redemption requests, according to the Vanity Fair piece. What's more is his flagship fund filed for bankruptcy protection last summer. 

Fletcher has a history of lawsuits.

He sued his former employer Kidder Peabody for racial discrimination. That suit was dismissed, but he won $1.3 million in arbitration, the Vanity Fair report said. He also filed a racial discrimination suit against the board of Upper West Side co-op The Dakota. 

All that aside, his Connecticut home looks like something out of a fairy tale and we're going to take a tour. 

The Hidden Valley Estate was built in the 1920s. The home was designed by architect Edward Dean.

Source: Sotheby's 

The original owners, a doctor and a New York socialite, considered the home to be a chateau. Locals, however, called it a 'castle.'

Source: Sotheby's 

The home is secluded by a one-mile private drive.

Source: Sotheby's 

When is it OK to wear a bow tie?

In short, the answer is "anytime." But wearing a bow tie is a much more nuanced art than tying on a standard necktie, and must be handled more carefully.  

First, let's get to know the different types of bow ties: Self-tied, pre-tied, and clip-on. Ignore types two and three immediately.

If you're the type of person who wants to wear a bow tie, you should be the type of person that wants to learn how to tie one. There are literally 100,000 videos to choose from (my personal favorite is this one).

The key to wearing a bow tie is to do it sparingly (unless you're trying to make it your "thing" like a certain Supreme Court Justice). Make it about a special event, and keep the rest of your outfit muted — think a solid color suit and shirt.

For a suits, go with navy, black or grey, and for shirts, stick to blues and whites. It's possible to wear a pinstripe suit with a bow tie, but make sure the stripe is subtle. And make sure the suit and shirt match, since they'll be more visible than they would be with a regular necktie, which bisects the male torso. 

Most important is the bow tie itself. Since the rest of your outfit will be conservative, this is the time to make a statement.

A basic place to start is with some stripes, but once you're comfortable with patterns, start experimenting with polka dots, paisley, or anything else. A bow tie is such a small piece of clothing that it's acceptable for it to get loud. You wanted to stand out by wearing one, so embrace it.

Once you've tied your bow tie and you're happy that it's not going to come undone, leave it alone. It's part of the fun that the know won't not be perfect; that's how people will know you did it yourself. Remember, bow ties don't look nearly as cool loosened like regular ties, so keep it tight. Don't touch it again until you're ready to untie it completely for that rakish (cool) end-of-a-great-night look you've been waiting for.

Now learn how to tie a bow tie:

SEE ALSO: Some Regular New York Businessmen Walked The Runway During Fashion Week

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For many couples, one of the most important days of their lives can quickly turn into one of the most expensive. Fortunately, it doesn't have to be that way: There are plenty of frugal wedding-planning strategies that can keep your "I dos" from turning into "I wish we hadn't."

Robert Eberhard's wedding was a financial flood that rose gradually by drips, rather than a deluge. He and his bride set an initial budget of $12,000, but ultimately spent closer to $25,000.

"Both my sisters got married in small ceremonies, and I thought mine would be like that," he says, "but then things run away from you like a freight train." The costs were so far beyond their means that Eberhard, now a graduate student at the University of Illinois, was still paying off the credit card debt from the wedding after the marriage ended 16 months later.

"We got to the point six months before the wedding when we should have called it off," he recalls, "but we were $10,000 into it, with nonrefundable deposits."

Meg Keene, author of "A Practical Wedding" and who runs a website by the same name, says Eberhard's tale is one she hears frequently.

"People get locked in by the idea of deposits," Keene says. "But if you've spent $10,000 in deposits, and you're going to put [down] another $15,000 in deposits, calling off that wedding and doing something smaller might be the sanest thing you can do."

Small, With No Regrets

In contrast, Leslie Bryant of Sutherland, Oregon, says she knew she never wanted a large wedding. She and her now-husband spent $2,500 on their big day, and paid for everything in cash. They invited only a handful of close friends and family, explaining to everyone else that they were only having a small wedding. "Some people were upset at first, but eventually understood, and even said they wished they had done a small ceremony as well," she says.

They rented space from a local rancher who had set up a wedding pavilion on his property, and did everything from setting up chairs to hanging decorations themselves. Afterward, everyone pitched into clean up.

"We went as frugal as we could, and even had enough left to take a cruise for our honeymoon," Bryant says.

Reframing Your Expectations

Keene says that you shouldn't try to re-create a luxury wedding on a smaller budget. "When you want your wedding to be a replica of an expensive wedding, but cost a lot less, that's when you end up with everything not being great," she says.

Caterers and other wedding service providers often have fixed costs, so trying to nickel-and-dime them isn't going to make anybody happy. Instead, Keene recommends picking one thing that is truly worth the investment and streamlining everything else. One client got married at City Hall in San Francisco and had the reception in a local Chinese restaurant -- but flew in a florist from New York, because amazing flowers were what she felt she needed to make her day feel luxurious.

"Don't make the mistake in thinking weddings only look one way," she says. "Most people think weddings are a ceremony, cocktail hour, sit-down dinner and reception with music. Rather than asking how to get a $100,000 wedding for $5,000, reframe it to, 'How do I spend $5,000 on a party where I'm getting married?'"

The most important thing is to make sure your vision of a perfect wedding doesn't put you into debt.

"Once the wedding is over, you want it to be over," she says. "If you're not able to keep things under control cost-wise, you won't look back on your wedding as a happy, tangible memory you carry with you into your marriage."

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Even in such a gourmand city as Chicago, the cool hipster-friendly Wicker Park neighborhood stands out for its awesome restaurants.

Our friends at Yelp helped us compile a list of the 10 best restaurants in Wicker Park.

The number one restaurant? Birchwood Kitchen, a self-described "neighborhood café" that was also named one of the top 10 new restaurants of 2009 by the Chicago Tribune. Their weekend brunch and savory sandwiches have Yelp reviewers raving.

#10 Enoteca Roma Ristorante

2146 W Division St.

Open for over 12 years, this Italian favorite has nearly a dozen different types of bruschetta to offer. Oenophiles will love their varied wine menu.

"One of the most consistently fabulous places in the city. I should probably experiment more with the menu because we always get the same things, but it's hard to fix what ain't broken. Definitely try the bruschettas, the cheese selections, and the gorgonzola pear ravioli. They just make mouthwatering, well-portioned deliciousness. I highly recommend sitting at the bar, and going on a Sunday or Monday for a date night," wrote user Ria R.

Note: Yelp's search results are based on an algorithm that is designed to provide the best results based on a number of different factors including review text, ratings, and number of reviews. Because several factors are taken into account, this is why you may see a 3.5-star restaurant with 500 reviews showing above a 4-star one with 15 reviews.

#9 Carriage House

1700 W Division St.

Chicagoans who are originally from the South love Carriage House's offerings, like shrimp and grits and pickled shrimp with green fried tomatoes. The restaurant has lots of seating and plenty of natural light.

User Frank B. wrote: "Had breakfast on Sunday at this great restaurant. I've lived down in the South for 8 years and been all around from the bayous to the low country and these are some of the tastiest grits I've ever had in my life. If you miss the south and crave its cooking, eat here."

Note: Yelp's search results are based on an algorithm that is designed to provide the best results based on a number of different factors including review text, ratings, and number of reviews. Because several factors are taken into account, this is why you may see a 3.5-star restaurant with 500 reviews showing above a 4-star one with 15 reviews.

#8 Las Palmas

1835 W North Ave.

This Mexican hotspot serves guacamole that's made fresh tableside, empanadas stuffed with cheese or crab, and all sorts of classic Mexican favorites like chile relleno and cochinita pibil. They often offer daily deals that locals love.

"Great food. Garden patio dining is the way to go. Margaritas are phenomenal. Guacamole and salsa is great. I've had the Fish tacos, al pastor tacos and the fajitas. Best Mexican food in Wicker Park if not the Chicago area. Authentic and family owned," Yelpermk d wrote.

Note: Yelp's search results are based on an algorithm that is designed to provide the best results based on a number of different factors including review text, ratings, and number of reviews. Because several factors are taken into account, this is why you may see a 3.5-star restaurant with 500 reviews showing above a 4-star one with 15 reviews.

They call Maine "Vacationland."

Sure, the winters are bitter cold, but for at least three months out of the year Maine's coast transforms into an oceanside summer retreat.

That's particularly true for Portland, the state's largest city and home to one of the most important working waterfronts in New England.

Portland is located in Southern Maine on Casco Bay, about a two-hour drive from Boston. There are beaches and a ferry service for visitors who want to explore the Bay, including several of its bigger islands.

Back on the mainland, there is no shortage of posh restaurants, shops, and museums.

Portland is easy to reach from New York City. A plane ride is just 50 minutes from JFK airport, shorter than some people's commute to and from work.

The Old Port District in downtown Portland, inviting to foodies and shoppers, is just a 15-minute drive from the airport.

The Old Port is anchored by Commercial Street, overlooking Casco Bay.

It's National Sandwich Month in America!

In honor of this momentous occasion, I've agreed to reveal the secret for my exceptional grilled cheese sandwich.

Incredible grilled cheese doesn't come from the bread or the cheese, although you could probably get ambitious when it comes to those. 

The secret to the best grilled cheese is making an unconventional substitution that will fundamentally change the way you see cheese grilled between bread. 

Ready?

So let's deconstruct the grilled cheese sandwich. Nominally, you need bread and cheese that you then assemble and fry in butter. Basic, right?

We start with bread. This bread is not special — I got it in a bodega, I think it is wheat.

Meet the game-changer of the grilled cheese: Mayonnaise. Weird, right? Now normally, I hate mayonnaise.

Mr. Porter, a reputable high fashion online boutique for men, has a pair of of Jimmy Choo slip-on sneakers for sale.

They cost $1,095.

You read that right. $1,095.

At first glance, the Jimmy Choo slip-on doesn't look that much different from a Van's classic slip-on, which retails for the low price of $50.

Jimmy Choo's slip on does stand out by using a higher quality leather and suede coupled with embossed studs.

Granted the studwork probably takes a significant amount of time, but does it justify such a high price tag?

We hope that the leather Jimmy Choo selected is French or Italian (for the buyers' sake) but we still can't seem to understand why the shoe costs so much besides the embellishments and designer name.

We decided to take advantage of Mr. Porter's live chat feature to see if its experts could help us understand the high price tag.

Here's a conversation we had with Mr Porter rep, Ashley:

It seems like Ashley doesn't really know why the shoe is priced so high either. She immediately fell back on the "high-end" designer excuse. What's strange though, is that the majority of Jimmy Choo's women's pumps only cost between $500 (low-end) and $1000 (high-end).

Women are typically ok with spending hundreds, sometimes thousands, of dollars on shoes but the male audience typically needs to be convinced. So its quite shocking that Jimmy Choo upcharges its male customers.

Don't get us wrong, we're all for paying a premium for high-quality items. In fact, we just endorsed the Saint Laurent 2013 boat shoe, which retails for $595.

We praised Saint Laurent it for its impeccable quality, materials, and smooth breaking-in process, but the $1,095 Jimmy Choo seems like a pretty steep price for something that isn't that extraordinary.

What do you think?

SEE ALSO: Saint Laurent's Boat Shoes Are Good For Any Occasion, But Are They Really Worth $545?

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It's no secret that China is competitive.

They have the fastest train in the world, a brand founded by the "Steve Jobs of China" that's actually beating Apple sales in China, not to mention all of their infamous knock-offs: Cities, art, and even famous buildings.

But China has also set some truly bizarre Guinness World Records. From the largest bottle of cooking oil to the most benches held in one man's mouth, China continues to outdo itself every year.

Here are 13 of the weirdest records China currently holds in the Guinness Book of World Records.

Abby Rogers also contributed to this story.

Wang Weibao set the record for longest duration balancing on four fingers at 19.23 seconds. Here he is warming up before setting the record in November 2008.

Source: Guinness Book of World Records

The record for most benches held between the teeth is 17 and was accomplished by Huang Changzhun on August 2011. The benches were all pre-stacked, and Changzhun balanced them for 10 seconds in his mouth.

Source: Guinness Book of World Records

Wei Shengchu holds the record for most needles on the head with 2,009. The number of needles corresponds to the date he set the record in Milan — April 11, 2009.

Source: Guinness Book of World Records

Lobster boat captain Craig Stewart and sternman Tim Lovett start work before sunrise and haul traps for hours on end.

Making a living is harder now than ever before, as overhead costs for fuel, equipment, and bait steadily climb, while unprecedented lobster landings over the last several years have sent prices tumbling.

"We're struggling," said Stewart, a third-generation lobsterman who fishes off the coast of Portland."If I come in with 600 pounds, people will see that I made a $1000 for that day. They don't see that I just replaced the engine for $30,000 or that I paid over $300 for bait."

Stewart is one of Maine's 5,900 licensed lobster harvesters, who together haul in roughly 80% of U.S. landings of American lobster, worth more than $300 million.

To experience the life of a Maine lobsterman, we headed to Portland, Me., and spent a day aboard Stewart's 36-foot working lobster boat.

Around 4:30 a.m., sternman Tim Lovett leaves Holyoke Wharf in South Portland to pick up captain Craig Stewart from Long Island in Casco Bay, near Portland.

By 6 a.m., Craig is at the helm. He begins zigzagging in and out of buoys to locate his traps.

Each lobster boat is limited to 800 traps as part of Maine law. A portion of the traps are hauled and set each day.

Earlier, we wrote about a mysterious web site that tells you when you are going to die.

You plug in your birth date, country of birth, and sex, and the site whips through some actuarial tables and gives you the bottom line.

I was born on February 6th, 1966, in the U.S. and I'm male.

So that means...

I'm supposed to die on December 8th, 2044.

That's a Thursday.

I was actually pleasantly surprised by the 2044. That seems comfortingly far away. If I make it that far, I'll be thrilled. I feel thrilled (and lucky) to have made it this far already.

(A friend of mine in high school, Robby Steele, died at ~16 from complications from getting kicked in the spleen. I think of him sometimes. And I think of how much life I've lived in the 31 years since I was 16. And I'm grateful for every one of those years. And I'm grateful for all of the people I've been able to share them with. And I'm sorry for Robby and everyone else who hasn't made it this far for everything they've missed.)

The part of the site's output that triggered more philosophical feelings than learning the likeliest date of my death, though, were the numbers below the date.

According to the site, I have lived 17,362 days.

And I only have 11,433 days left.

That means I have lived 60.71% of my life.

Well, I've lived a long time, and I've experienced a lot, so the fact that I still have 39.29% of my actuarial life left to go isn't bad. Again, if I make it that far, I'll be thrilled.

On the other hand...

The 39.29% of the actuarial life that I have left is considerably less than the 60.71% that I've already lived.

That's a blunt reminder that my time is limited.

And I'm running through it fast.

So, I'd better get cranking!

If I really have 11,433 days left, wonderful, I'll do as much as I can with them.

And if I don't, well, I'll try to keep living in a way that makes me grateful for every day that I get.

When are you going to die? How much of your life do you have left? Visit the site and run the numbers here. If nothing else, it will make you think...

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Business Insider is looking for an awesome intern to join our events team this fall. The paid position is based in our NYC office and is full- or part-time, depending upon your availability.

Don't be fooled by the term "intern." Our paid interns spend their time doing meaningful work: researching, analyzing, preparing decks and reports, prospecting, and more. Our flagship event, IGNITION, takes place this fall and you'll be an integral part of the team that makes it happen, gaining valuable experience on-site.

When it comes to qualifications, an events, digital media, or marketing background helps, as do strong analytic and writing skills. Excel and PPT are a must. Serious interest in the internet, events, social media, marketing, or sales are required. We are looking for someone who is a quick learner and can fit seamlessly into the team. 

Please email your cover letter and resume to Valerie Reimer at vreimer@businessinsider.com.

Interested in a internship but have never heard of Business Insider? Here's some reading on our company and where we're headed. 

SEE ALSO: Check out Business Insider's Events

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Adweek took an in-depth look at an important decision advertisers find themselves wresting with when casting an ad: What kind of dog do people love the most right now.

Although Buzzfeed listicles might imply that corgis or French bulldogs are the "it breeds" of the moment, Michael Ventre reports, "today definitely belongs to the Boston terrier."

“On a macro level, it’s just like anything in advertising—there tends to be trends in dogs,” TBWA/Chiat/Day ECD Patrick O'Neill explained to Adweek.  “People just like certain breeds of dogs in certain cultural moments. Irish setters in the 1970s were everywhere. Now you never see them.”

Although the evidence used to support the Boston terrier claim comes in the form of a Mastercard commercial (that is very "Homeward Bound"-esque) from 2009 and a 2010 Doritos Super Bowl commercial.

In 2011, a pug was the star of one of Doritos' Super Bowl spot. A moonwalking Frenchie named Mr. Quiggly stole the spotlight in a Skechers 2012 spot. And a mutt helped VW follow-up its famous mini-Darth Vader ad.

In reality, it might not even be the year of the dog anymore, but rather the year of the goat. Doritos made it work in this hilarious 2013 Super Bowl ad. And Mountain Dew found itself in the center of major controversy surrounding the violent and racially stereotyping Felicia the Goat, a creation of Tyler the Creator. (But hey, all press is good press, right?)

Whether or not it is, indeed, the year of the Boston terrier, we can all agree that the dog's Mastercard ad is pretty adorable.

SEE ALSO: Here are some absolutely awful QR code fails

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Instead of going to college, Brooklyn teenagers Charlie Perry, Nicky Meara-Bainbridge, and Sam Tocci decided to take a year to see the country.

The boys, who play together in a jug band called The Easy Rollers, packed a travel-sized acoustic guitar, a cigar box fiddle, a harmonica, a camera, and other basic equipment and set off on a back road bike trip down the east coast and then out west to San Diego.

"Every day, we were seeing something amazing," Perry said. "We didn't even have to go off-route. With fewer people around, it felt like it was ours."

The boys were tested early on when Meara-Bainbridge broke his arm in Kentucky, forcing them to return home before hitting the road again in the spring. They had plenty of hard days too, biking through torrential rainstorms and scorching southwestern temperatures, but it was nothing they couldn't handle.

"No one should think they're not qualified to do this," Perry said. "You don't need to be a star athlete, you just need the motivation and determination."

Their trip was chronicled on a Tumblr named "Nicky Sam and Charlie Visit America."

The trio started in Brooklyn in September 2012, carrying camping stoves, headlamps, waterproof clothes, and other necessities.

The boys stayed with friends along the East Coast, traveling from New York to Virginia ...

... down to Tennessee.

Gisele Bündchen was just named the highest-paid supermodel by Forbes. 

Bündchen, known in the industry as simply "Gisele," has held the title for the past seven years. 

She earned a stunning $42 million last year. That's way ahead of second highest-paid model Miranda Kerr, who raked in $7.2 million. 

But before she was a one-woman empire, Gisele was an awkward teenager in Brazil with modest aspirations. 

We chronicled how she broke into the scene and became a legend. 

Gisele was born in Brazil, but her parents are of German descent. Here she's pictured (center) with her fraternal twin, Patricia, and another sister, Gabi.

Source: Instagram 

Gisele was discovered by a modeling scout in Brazil while eating a Big Mac. Her childhood nickname was "Olive Oyl," a reference to cartoon Popeye's gangly wife. She won a contest and was sent to Sao Paulo. Here she's pictured in a 1995 interview telling the station about how she hoped to break into the business.

Source: YouTube 

At age 16, she appeared on the cover of a Brazilian teen magazine with the headline "Gisele Bundchen, 16 years old, has gone to the top."

Source: SCStyleCaster

This year's Southern California avocados are so tiny they are selling eight for a dollar.

"I can't ever remember a season when all the avocados were this small, and that's over 30 years in the business," says a farmer with orchards in San Diego and Riverside counties.

A post on NPR's The Salt states three reasons for the golf-ball-sized fruit:

• low winter rainfall in early 2012.
• erratic bee activity during the late spring bloom period, resulting in late pollination of the fruit.
• lots of unseasonably cool and cloudy weather in the year since.

What's interesting is that there are more tiny avocados than there were large avocados last year, resulting in what's actually a bigger crop. That's because high July temperatures usually cause many fruits to fall off the trees. Since July was colder than usual in California, that didn't happen.

Growers and consumers usually want avocados around eight ounces. This year's crop is coming in around five or six ounces with some fruits weighing as little as two ounces. The fruits should be just as tasty as larger avocados, though, and fine to eat. They just take a bit more work.

SEE ALSO: Here's A Surefire Way To Check If An Avocado Is Ripe

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Scotch lovers rejoice — Johnnie Walker has unveiled the new Platinum Label blended scotch-whiskey.

Platinum Label will sell for $110, fitting squarely between the scotch maker's flagship Black Label and its top-shelf Blue Label.

It will reach shelves this month.

Forbes' Larry Olmsted got a taste and had this to say:

It is appreciably richer than the Black Label, my longtime standard for blended Scotch, with a fatter mouth feel. In many ways it drinks more like a light single malt than a blend, except smoother. It is not overly woody, and despite the tasting notes, has just a background edge of peat and smoke, very little compared to Islay malts, but definitely more than the Red or Black. It’s layered enough where I would drink it neat, as I do withal single malts (and as I sampled it), whereas I almost always drink blended Scotches, including Red and Black, on the rocks. It also has a great finish, and for some time after I tasted it, my tongue kept reminding me how much I enjoyed it. I have not tried Blue Label in quite a while but if memory serves me, the Platinum is even richer and more complex, as the Blue is light in color and exceptionally smooth.

At its price point, the Platinum will actually be a cheaper option than some of its finer 18-year-old contemporaries Glenlivet and Macallan, which can run around $200 (though those brands are single-malt while the Platinum is a blend).

SEE ALSO: The 18 Best Bottles Of Scotch In The World

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Not all of the world's billionaires are dedicated to being extraordinarily altruistic— many decide to spend their money indulging in fancy cars, planes, and yachts.

But others want to spread as much of their wealth as possible before they die. A select few even want that last check to only cover the cost of their funeral.

Of course, not everyone stands to gain from such selflessness — namely, the children of these generous donors. 

Though they will still have untold opportunities, advantages, and connections, to help them succeed, the children of these 15 tycoons won't be living large off their inheritances.

Eric Goldschein also contributed to this story.

Business magnate Warren Buffett

As an incredibly wealthy investor and philanthropist, Buffett has pledged to give away 99% of his wealth, either during his life or when he dies. He started by promising 83% of it to the Gates Foundation, according to FORTUNE Magazine.

The Oracle of Omaha isn't worried about his children not getting their fair share. Echoing a common sentiment on this list, Buffett said in his letter to the Gates Foundation: "I want to give my kids just enough so that they would feel that they could do anything, but not so much that they would feel like doing nothing."

EBay founder Pierre Omidyar

Ever since Omidyar became a billionaire when he was 31 years old, the eBay founder has made it his life's work to donate the majority of his money to those less fortunate instead of to his three children, according to Forbes.

He signed the Gates and Buffett Giving Pledge in 2010, and continuously gives eBay shares to the Omidyar Network, his philanthropic investment firm.

He and his wife Pam are also the single biggest private donors to the fight against the human trafficking industry.

New York City Mayor Michael Bloomberg

Bloomberg gets paid $1 a year for his government duties because with a net worth of $19.5 billion, he's pretty much set financially.  

But Bloomberg is also an avid philanthropist, having donated millions to Johns Hopkins University, the Carnegie Corporation, and thousands of other non-profits.

In his letter to The Giving Pledge, Bloomberg wrote that "nearly all of my net worth will be given away in the years ahead or left to my foundation."

Bloomberg's two daughters, however, may be left to foot the bill upon his death. Bloomberg once said "the best financial planning ends with bouncing the check to the undertaker."

At 2,722 feet, the Burj Khalifa is widely known as the world's tallest building, but it will see some fierce competition in years to come.

Emporis, a company keeps statistics on construction projects and finished buildings around the world, just released a list of the 10 tallest skyscrapers currently under construction.

Seven of the 10 are being built in China, including the Shanghai Tower, which has just topped out at 2,073.49 feet to become the world's second-tallest building. 

But the tallest of them all will be the Kingdom Tower, which is currently being erected in Jeddah, Saudi Arabia and is expected to be finished by 2018. If it is completed as planned, it will become the world's tallest building at a staggering 3,280.84 feet.

#10 Zhongguo Zun — Beijing, China. Height (when completed): 1,732 feet

Source: Emporis

#9 (tie) CTF Tianjin Tower — Tianjin, China. Height (when completed): 1,739 feet

Source: Emporis

#8 (tie) Chow Tai Fook Centre — Guangzhou, China. Height (when completed): 1,739 feet

Source: Emporis