This seemingly humble work of art—a block of limestone—conceals a daring story and an artistic tour de force.

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

One man's stunning attempt at eco-friendly living.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

A remnant of the Franco-Prussian War, lodged in the city's walls.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

This 42-foot tribute to the workforce still reminds us to pause and recharge.

This artistic fountain display pays homage to this area's theatrical history.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

A town that sets itself apart with supersized designer seating.

A futuristic rocket marks the spot where three borders meet.

The most impressive of Basel's three remaining city gates.

These giant yellow bowling pins seem to be defying gravity.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

A first-of-its-kind circular bridge for cyclists.

An old, partly destroyed church, preserved in the state it was left in after a fire.

This miniature take on the Kremlin is one Dutch man's retirement project.

The beautiful behemoth is one of the largest trees of its kind in the United States.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A black and white mural stands out from its psychedelic surroundings.

World-famous, Pink's still manages to keep its prized cult fetish status.