It's good luck to be mocked by this monkey.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Remnants of a cone-shaped Nazi bomb shelter.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

This old wooden funicular railway leads to a cemetery in the forest.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

After years of being casually peed on by humans, this tree is peeing back.

Survival capsules find a second life as a unique hotel.

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

The largest 19th century panorama in the world still in-situ.

Lumps of significant stone from around the world surround a flaming monument for peace.

A miniature city, once ruled by the Queen of the Netherlands.

A preserved building where the dead were once watched for signs of life.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

A giant floating rubber duck-bunny painted with a different design every year.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

This colorfully-painted tunnel links two distinct parts of a historic neighborhood.

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

A bridge that has seen many reiterations over its lifetime.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Inside this metro station is a section of the city's former medieval fortification.

A modern reimagining of a medieval city gate.