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

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

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

Four giant movable street lights decorate this modern Rotterdam square.

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

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

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

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

A modern reimagining of a medieval city gate.

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

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

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

The history of this futuristic crypt-turned-temple is as curious as its facade.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

A true Valhalla for cactus and succulent lovers.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.