This tiny island in the South China Sea is crawling with venomous sea snakes.

India’s only Brain Museum displays over 200 fascinating ways that your brain might kill you.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

Made by a man on a worldwide sanitation crusade.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

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

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This abandoned oil depot produces world's longest echo in a manmade structure.

This 20-foot mountain is made up of some 15,000 mannequins—if you visit, you can even take a piece home with you.

This British museum hopes to take the taboo out of poo.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A house of bones — but nobody is quite sure to whom they belong.

A 200-year-old prison that now houses a peculiar crime museum.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

One of the world's largest collections of pathological specimens.