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

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Looming communist pillar with a Czech twist.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

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

A catapult rock from Gotland’s 13th-century civil war is still lodged in Scandinavia's best-preserved medieval city wall.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

When a conglomerate of visionary startups commandeer a disused Greek Orthodox Church, zaniness ensues.

This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

Roman-era ships unearthed...