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

This artificial cave looks like something out of a fairytale.

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.

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

Walk through Czech history in Prague's largest graveyard.

Countless grotesque faces stare out from this eerie Prague art wall.

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

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

Macabre astrological automaton clock dating to the late 1400s.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Ruins of a German Castle on top of a towering stone pillar.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The "Prussian Versailles" that is as glorious today as when it was built.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A restaurant and observation deck built in a unique broadcasting antenna.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Berlin's old airport.

Tiny memorials honor individual victims of the Holocaust.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.