An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

An eerie, little-known Neapolitan museum filled with preserved human remains.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

A surreal botanical garden with an even more surreal tour guide.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Erotic art covers the walls of the largest ancient pleasure palace.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

100 massive sculptures in the Hudson River Valley.

An eerie, derelict amusement park in Berlin.

A fiery crater has been burning in the Karakum Desert since 1971.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

This cave system allegedly holds the "metallic library" of a lost ancient civilization.

148 feet long and in the middle of a verdant forest.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

An architect transformed this abandoned cement factory into his castle-like workshop.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

This Greek cinema was architecturally inspired by Mussolini's vision of a fascist Mediterranean utopia.

The rocky remains of an ancient Greek forest.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

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