Meet the world's longest tapeworm in a collection that really gets under your skin.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

"Looks so real, it's scary!"

A library of rare occult books in Los Angeles.

Venue for strange sideshow displays and musical acts.

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

World's largest collection of serial killer artwork and other macabre exhibits.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

World's first "penitentiary," meant to be humane, drove men insane.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

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

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The final resting place of New Orleans' most famous voodoo priestess.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A snapshot of the city's fascinating voodoo culture.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Puppet theater and museum holding a collection of more than 300.