One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

A former top secret military tunnel is now stuffed with snow and open year-round to skiers.

This tiny Swedish troll protects the land and all who wander within it.

From under the bed of one of the co-founders, this server helped launch the notorious file-sharing website.

A nightly tradition fills the streets of Flogsta with a collective scream.

Every Tuesday, students let off steam by screaming into the night air.

A former hen house turned curiosity cabinet displays one man's lifelong fascination with cannibalism.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

Frequent fliers welcome in this airplane hotel.

"Only the dead get off at Kymlinge."

A Japanese video game arcade hides in the back of a Swedish pool hall.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

A floating underwater hotel, created by a Swedish artist.

A man has revenged his true love's betrayal through tears and stone genitalia.

A golden egg-shaped sauna in the Arctic tundra.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

The world's first ice hotel is still one of the most elaborate and beautiful.