The largest airborne operation in history was launched to capture this bridge.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

This residence straddles a border between Belgium and the Netherlands.

This building once stood at the center of a butter war.

Not many houses move across borders, this one did it twice.

A reconstructed World War I-era communications array that was once hidden in plain sight.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

A tribute to smugglers and the Butter Wars.

A curious stone in a public square commemorates the victims of witch-burning.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

The birthplace of the titular coat and related products celebrates its claim to fame with a statue of a coat.

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

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

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

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

A tilted water tank turned tourist attraction.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A moving memorial to the fallen and missing from WWI trenches.

The world's tallest boat lift stands as a massive piece of industrial tourism.

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

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

Resting peacefully between two majestically-slanted trees, this roadside water trough circulates water peacefully.

Hiding the longest subterranean river known in the world.