If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

There must be a pun in this haystack somewhere...

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

This haunting monument honors the victims of 9/11.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

The largest island on the great salt lake is home to curious creatures and strange stories.

Pyramid home to an obscure religious group that practices modern mummification.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

Eat burgers beneath gargantuan taxidermy and thousands of dollar bills in Utah's oldest continuously-operating bar.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

One of the few surviving original NASCAR dirt-track speedways.

Don't be surprised if you see a long-necked dinosaur peeking out from among the trees in Northgate Park.

A historic covered bridge, only one of two remaining in North Carolina.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A ghost town that was wiped out by a flood in 1940.

A Nessie-like monster supposedly lurks in this lake.

The final resting place of the hundreds of bodies originally buried where Badin Lake sits now.