This 11th-century castle sits so low you can't see it behind the surrounding buildings.

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

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

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Cat art as far as the eye can see.

This wooden hotel is a temple to German sustainability and forest conservation.

This unique architectural wonder is home to luxury apartments.

From buck blood to Theriak miracle tonic, this collection of Renaissance chemist's gear look's like a wizard's pantry.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

This Denmark theme park is part family attraction, part experimental archaeology project.

Copenhagen's celebrated theme park and gardens.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

This heavily worn bas-relief was once an honored fertility symbol.

Learn about stars, weather patterns, or just enjoy the panoramic view of Ghent.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

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

A curious collection dedicated to human and animal anatomy and pathology.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.