Twisted buildings adorn the banks of the Rhine river.

No need to strap in for a "ride" on this walkable roller coaster.

This futuristic German television spire is actually the world's largest digital clock.

This former steel and coal plant is now a neon-lit industrial fantasia.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

Microscopic scenes; some call it novelty, some call it art.

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.

A museum in a law office, filled with authentic and counterfeit goods.

The only tower of an aerial tramway standing over a ski-lift.

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.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

A dictator's failed public works project has been reborn as two linked trails through spectacular scenery.

The world's most elegant power lines.

Holding the current title of "biggest chair in the world," it stands with little fanfare in Lucena, Spain.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

Climb the dead electric pylons of Messina.

A map of Italy made entirely of trees.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This Italian foot path winds through the mountains via 52 individual tunnels.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Powerline dead since the 1980s despite appearances.

An electrical pylon under whose legs a normal gauge train can run.