Twelve natural mummies are displayed in the crypt of this former monastery school.

A church dedicated to the Mexican skeleton saint.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

A pink cottage covered in hearts served as a haven and a resting place for LGBTQ activists.

An otherworldly musical haven in The Big Easy.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This Great Depression-era creation was once known as the strangest house in the world.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Step into a pastel time capsule where candy is truly dandy.

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

Giant marble phalluses on the sacred island of antiquity.

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

This legendary city has been a tourist attraction for centuries.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The hallucinogenic center of the ancient world.

The palace of the King of Kings, burned by Alexander the Great.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.