Canada's subterranean Cold War museum has doubled as a movie set.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The 14th-century ruins are said to contain healing powers.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

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

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

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

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

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

Macabre astrological automaton clock dating to the late 1400s.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.