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

This small museum collects the Christian remembrances which would otherwise be forgotten.

An enormous Polaroid picture adds an artistic flair to Rotterdam.

People have been placing babies on these lilies for photoshoots since the Victorian era.

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

An impressive array of unique homemade planetariums.

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

A huge teapot illuminates a home for the elderly.

This Dutch art piece became a Russian icon.

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

An early 19th-century English style garden hidden in the Rotterdam cityscape.

A lecture hall sink once used by Einstein and other noted physicists is now regarded as a strange science relic.

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

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

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

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.

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

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

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

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

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

The place where houses are born.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.