Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Home to Hollywood history and a very special salt crystal.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

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

An ancient Egyptian temple sits within a modern European museum.

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

Repurposed space and ultra-modern construction collide to create this geometric wooden spectacle.

A Netherlands hotel where you can sleep inside a wine barrel.

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.

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

A massive stone fox oversees a Rotterdam elementary school crosswalk.

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

An enormous Polaroid picture adds an artistic flair to Rotterdam.

The world's largest collection of ships in bottles.

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

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

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

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

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

A statue of the second-tallest Dutchman in history.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.