A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A statue honors the children who fought Nazis in Poland.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Real bones which are said to have belonged to a Polish dragon.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

A little sculpture with a large wardrobe.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

The 20-mile causeway that separates the Netherlands from the sea.

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

Building Men of War and Indiamen from Holland's Golden Age.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

The largest 19th century panorama in the world still in-situ.

Home to the world's oldest functioning orrery.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

A miniature city, once ruled by the Queen of the Netherlands.

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