One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

King Ludwig I's collection of beautiful women.

Go surfing on this urban wave, "hacked" by local surfers.

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

A unique showroom for bathroom fixtures featuring a giant toilet observation deck.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The "dragon babies" of southeastern Europe.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

A miniature train-ride through Slovenia's largest cave system.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

An abandoned train station in Munich constructed for the 1972 Olympic games.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

A charming little museum founded by the designer of the Statue of Liberty.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

This statue honors the thousands of Allied avians that served and died for France during World War I.

An abandoned tower once used to study the cosmos hides within a thicket of greenery.