This charming pup is meant to celebrate the youth and stubbornness of the city's students.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Four giant movable street lights decorate this modern Rotterdam square.

A modern reimagining of a medieval city gate.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

This stately council chamber hasn't changed since 1545.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

The struggle of a small Dutch island against the sea.

The 20-mile causeway that separates the Netherlands from the sea.

This abandoned Greek island was the last active leper colony in Europe.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Yup, that's a 330-foot yacht passing over the highway.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This ghost town in Belgium will lose its street art when it ceases to exist.

Peek through a transparent pyramid and drink in the mountain made of books.

The bridges portrayed on EU currency aren't fictional anymore.