This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The atmospheric road was never meant to be so creepy.

Abandoned railway line circling the city of Paris.

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A snapshot of the city's fascinating voodoo culture.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A toxic ghost town sitting atop a massive coal fire.

A church of bones, decorated with 40,000 human skeletons.

Railroad came. People came. Railroad left. Town died.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

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