An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A unique seaside cave where Aleister Crowley faked his own death.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This small chapel is built of human bones and decorated with a golden skeleton.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The oldest Swedish built lighthouse still guides ships through the archipelago.

This runestone once destroyed by an explosion has been painstakingly reassembled to save its history.

Sweden's oldest animated sign is still lighting up the skyline today.

The internet as provided by a James Bond villain.

It's always game time at Stockholm's only museum devoted solely to video games.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Staves, storm-calling, and of course, necropants.

Rising from the sea like a stone monster.

The Netherlands is home to a bridge printed out of reinforced concrete.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

This subterranean studio is filled with fascinating kinetic art.

A true Valhalla for cactus and succulent lovers.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.