One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The record holder for the world’s largest peach.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

Where commuters walk through remnants of an ancient Greek necropolis.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Home to three historic ships from the age of Vikings.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A historic observatory precariously perched at the "Top of Europe."

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The only museum with its curator—and her pets—buried inside.