The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The "Seinfeld" diner.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Ride the subways of yesteryear.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

Walk in the footsteps of the gods and straddle two tectonic plates.

A wall of chewing gum moonlights as collective art.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

See massive fossils that are over 200 million years old in northeastern Arizona.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The second oldest continuously operating bar in Louisiana.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.