This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

A museum dedicated to the history and exploration of both popular music and science fiction.

This quirky curiosity shop takes its cues from the world's bazaars.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A museum dedicated to exhibiting remarkable outsider art.

Century-old shop, specializing in Occult products.

A self-built castle made by a mysterious man.

The ghost town that ended up on Ebay.

One part antique store, one part curiosities hodge-podge.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The angel of death appears to weep black tears at this grave marker.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

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.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Olfactory delights in San Francisco's Botanical Gardens.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

A reproduction of earth's many biomes.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

A beautiful Victorian-era cemetery, complete with a miniature village.