The world's largest collection of ships in bottles.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

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

This museum is filled with an eclectic collection of unique inventions.

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

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

A huge teapot illuminates a home for the elderly.

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

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

A line number in Amsterdam that will likely never be used again due to its tragic history.

An enormous Polaroid picture adds an artistic flair to Rotterdam.

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

Where lovers tie birch branches into long-lived knots.

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

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

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.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

Atop this former dutch railway office sits an interstellar work of art.

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

This functional solar system model was inspired by the famous Eisinga Planetarium.