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

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

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

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

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

The first museum in the world devoted to sexual gadgetry.

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

Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

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

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

Several bricks indicate the various flood levels this crossing has survived over the centuries.

One of Scotland's earliest hydroelectric power stations.

A stone memorial marking the location where Scotland's first aeronautical flight landed.

Each section of this public work of art represents one of the city's guilds.

This statue stands as a message against the ills of Apartheid.

This monument depicts a harrowing event involving an escaped polar bear.