Inside a former cabaret, seven floors of erotic art.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

A semi-scholarly approach to sex.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Where the leftovers of love affairs can live on forever.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

"Looks so real, it's scary!"

Resting place of Hollywood's immortals is also site of summer film screenings.

Medical and zoological curiosities for sale.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

The curios of pharmacist and collector Henry Wellcome.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

One part local history, 99 parts gruesome haunted house.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The relics are stored in a silver reliquary, where they can be seen through glass.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

This German museum is devoted to all aspects of grave culture from headstones to coffins.