Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This old, abandoned hotel offers magnificent views.

This small window display is dedicated to the noble carrot.

Descend into the tunnels to experience the life of a coal miner.

The highest point in Belgium is a staircase to nowhere.

This bike path traverses the treetops.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

A fantastical bed and breakfast with magically unique rooms.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

Hiding the longest subterranean river known in the world.

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

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This small electronics museum is full of whirring, humming, clicking ephemera.

This vast World War II defense line was the site of a fierce battle.

This Dutch art piece became a Russian icon.

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

It's forbidden to dig within this ancient Roman fort hidden beneath a playground.

Walk through the history of a Dutch truck manufacturer, from 1928 to today.

This early 19th-century graveyard is the final resting place of Vincent van Gogh's mother.

Watch the local Netherlands birds from inside this giant eco-egg.