A 1:2 billion-scale solar system leads visitors into this German university town.

No need to strap in for a “ride” on this walkable roller coaster.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

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

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

Also known as Napoleon's Canal, this waterway was created on the orders of the general, and construction was interrupted by Waterloo.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

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

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

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

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

Christ's blood allegedly preserved in a Belgian town.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A beer pipeline runs beneath Bruges.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

Quite simply the largest tree in the world (by volume).

How one woman gave orphaned sculptures a new home in the city of Utrecht.

A uniquely preserved neo-Gothic church that is now home to a collection of art and woodcarvings.

These giant yellow bowling pins seem to be defying gravity.

A public urinal so pretty, it was declared a national monument.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.