Walk through Czech history in Prague's largest graveyard.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

Home to three historic ships from the age of Vikings.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

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

Pilgrimage site for star-crossed lovers.

The prototype for all Nazi concentration camps.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Virgil's many-mouthed gateway to the underworld.

Caves famous for the dragon-slaying saint who lived there.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

This one-time health resort was used by aristocrats around the world.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

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

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

Abstract dinosaur models in London.

Two monstrous faces loom over a village in Czechia.