The largest and best-preserved rotunda in Prague.

A saintly relic hidden in a Prague church basement.

According to local legend, the devil shattered this column after losing a bet.

A giant interactive periodic table with real samples of the elements.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

This artificial cave looks like something out of a fairytale.

A historic and beautiful Art Nouveau chamber in a historic railway station.

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

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

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

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

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

A surreal statue honoring Prague's favorite literary son.

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

The statue of a cursed knight is said to come to life every 100 years.

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

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

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