This striking clock tower was once part of the Singer sewing machine factory.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

The only remaining U-boat that is still floating never actually saw any action in World War II.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

This public lavatory is home to a mini museum that explores toilets through time.

Four hundred years ago, this turned-about message was carved into one of Winchester Cathedral's exterior walls.

This gravestone and its inscription inspired a movement that has spanned generations and saved countless lives.

This museum preserves over-the-top masterpieces that once qualified artisans for membership into a medieval guild.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

This strange sculpture is an enigmatic icon of this medieval German town.

Pull up and have a drink at a museum filled with hundreds of years' worth of shipwreck artifacts.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

A farm turned upside down.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

A statue of the second-tallest Dutchman in history.

An art installation memorializing a tram stop, which became a tram stop.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.