Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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

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

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

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

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

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A toxic ghost town sitting atop a massive coal fire.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

The "Rocky Horror Picture Show" character has a hidden camera that broadcasts people doing the "Time Warp."

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

The largest hewn stone in history.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Featured in one of the most iconic scenes in cinema history.

The largest catacomb system in the world.