The most visited, and possibly most controversial, museum in Germany.

One of downtown Berlin's last reminders of its Communist past.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This chimerical bridge/tunnel appears to dead end right into the sea.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

Swedish skyscraper with a 90° twist.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

The topiary maze at the Habsburg hunting lodge.

Baroque celebration of the end of the Great Plague of Vienna.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

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

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

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

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