An abandoned stretch of highway, deteriorating next to the operational one.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A small alleyway with an unusual moniker.

Portlandia is the second-largest copper repoussé statue in the United States.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

A heavenly experience, right here on Terra Firma.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

A notoriously corrupt Chief of Police's deteriorating Greek-themed playhouse.

An island graveyard with spectacular views of the Caribbean.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

The famous winding walk at Chartres is surrounded in mystery and myth.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A mechanized clock where a man fights off a dragon, crab, and rooster.