Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Steadily reminding Czechia of its past.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A mocking tribute to the past and modern leadership of Prague.

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

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

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 first museum in the world devoted to sexual gadgetry.

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

A Jenga-style cylindrical tower of books that appears to go on forever.

Macabre astrological automaton clock dating to the late 1400s.

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

An iconic red telephone box turned tiny art gallery.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The colorful stairs are made with marble from the world's major quarries.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.