An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

A once-secret library of Freemason history in Catalonia.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

Now a pile of ruins and rubble, this was a lovely mountain town as recently as 1960.

Scale model of St. Peter's Cathedral (Rome) in the middle of a small Dutch town.

The world's largest collection of ships in bottles.

This miniature take on the Kremlin is one Dutch man's retirement project.

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

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

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

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

Strange secondhand shop showcasing taxidermy and oddies

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

A statue of the second-tallest Dutchman in history.

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

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

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

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.