Climb inside an iron crystal magnified 165 billion times its normal size.

A luxury hotel housed in a former 15th century Gothic church.

Twisted buildings adorn the banks of the Rhine river.

Housing the groundbreaking maps and globes of Gerard Mercator.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

No need to strap in for a "ride" on this walkable roller coaster.

An industrial relic is now one of Europe's most staggering art spaces.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

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

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

The world's largest collection of ships in bottles.

Peek through a transparent pyramid and drink in the mountain made of books.

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

A true Valhalla for cactus and succulent lovers.

The world's first interactive human body museum also serves as a chair for a giant orange man.

One of the Leiden's oldest pubs is also the birthplace of the Heineken star.

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.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Colorful and chaotic stacked hotel in North Holland.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The attic of a four-century-old canal house hides a clandestine church.