Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world’s first penitentiary, meant to be humane, drove men insane.

A curious urban windmill once owned by a renowned British mathematical physicist.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The oldest inn in England served brew to the crusaders.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Its buzzing collection honors vibrator history.