This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

This ghost town in Belgium will lose its street art when it ceases to exist.

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

You would never come across this tiny green oasis if you didn't know it existed.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

Christ's blood preserved in a Belgian town.

A museum celebrating the Canadian forces that liberated Belgium from the Nazis replete with battlefield miniatures and multiple Gardens.

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

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

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

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

Wind power station for making famous Ketel One vodka.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

The Netherlands' first car tunnel has an unusually rectangular shape.

A true Valhalla for cactus and succulent lovers.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

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.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

This unattributed sculpture in Amsterdam is hiding in plain sight.