This historical Netherlands fortress still bears the marks of its single siege.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

The tallest mountain in mainland Netherlands isn't actually very tall.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

Monasteries on rock pillars, once accessible only by frayed ropes.

Eastern Bloc nostalgia, anybody?

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

Be(w)ar(e) the moat around this historic Czech castle.

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

A series of playful yellow penguins share a serious message about the environment.

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.

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

A beautiful maze marks where three countries meet.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.