Ancient Egyptian relief, claimed to depict an electrical light.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

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

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

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

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

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

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

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.

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.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Twelve sweet, nutty, life-sized statues are housed in this second-story shrine to almond paste.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

A statue beloved by—and named by—the local townsfolk it represents.

This cheeky statue of a man defecating gold coins graces the facade of a medieval guildhall.

An abandoned train station in Munich constructed for the 1972 Olympic games.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.