This art installation at an abandoned lipstick factory has distinct anti-capitalist vibes.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A tiny monument to the classic American candy.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

A Swiss board game museum housed inside a picture-perfect castle.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

An abandoned church gets a second life as a massive beer hall and event space.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The hallucinogenic center of the ancient world.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

More than 21,000 images fill this overlooked gem of a prehistoric site.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

This vast kitty-themed collection illustrates the history of human-cat interaction.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.