In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

The second oldest anatomical theater is housed in a museum of curiosities.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

This museum is rotten with a century of wax medical deformities.

The largest and most famous wax anatomical collection anywhere in the world.

The astonishing collection of an infamous criminologist.

This 18th-century dissection theater's frescoes display a gorgeous tension between the terrestrial and esoteric.

In the early 1800s, surgery was also a show.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

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

A 16th-century horror show built in a lovely Italian garden.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

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 curiosities and wonders of pharmacy in a delightful historic building.

A snapshot of the city's fascinating voodoo culture.

Site of a former hidden treehouse in New Orleans.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

A swing to dangle you off the very edge.

A true treehouse near Hawai'i Volcanoes National Park.