A layered tribute to the work of mosaicist Isaiah Zagar.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A long-closed church turned into a saintly skate park.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

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

This Dutch art piece became a Russian icon.

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

Wind power station for making famous Ketel One vodka.

An enormous Polaroid picture adds an artistic flair to Rotterdam.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

A rare double mill nestled along the banks of the Aa river.

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

This stately council chamber hasn't changed since 1545.

The former headquarters of history's oldest megacorporation.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.

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

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

This bronze statue of Martin Luther King was placed in the park without permission.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

This towering church is home to a world-famous organ and a treasure trove of medieval art.