The Devil’s own choice when he needs a drink in Brussels.

Climb inside an iron crystal magnified 165 billion times its normal size.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

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

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

Sweden's "good old days" painstakingly re-created in a model village.

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

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.