A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

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

Dedicated to the works of the legendary special effects artist.

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.

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

This doorless 20th-century elevator doesn't stop or slow down.

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

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

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

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

Monument to a suicide protesting the Soviet invasion.

The ruins of a medieval bridge are visible inside a Prague Metro station.

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

A largely overlooked statue that may commemorate the first publication of 'Don Quixote' outside of Spain.

This huge limestone slab is considered the largest paving stone in Belgium and a relic of the earliest modern paving in Brussels.

When you're a great Russian Tsar, even your vomit gets a statue.

This charming, hidden guild museum holds some 700 years of crossbow history.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

This cannonball has been lodged in the church wall since a 1695 bombardment destroyed the city center.

A tiny art gallery where artists can donate their work for the public to take and enjoy.