The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

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

Macabre astrological automaton clock dating to the late 1400s.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

WWII artifacts, including the building itself.

The decaying ruins of Wales' first asylum for the mentally ill.

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

Follow the original medieval paths that wind through this intriguing section of the city.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A medieval relic whose great hall once hosted Mayflower pilgrims, one of Henry VIII’s ill-fated wives, and plenty of royal intrigue.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

An oddly shaped tower built to mark the acquittal of Admiral Keppel in a controversial 1770s case.