Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

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.

This residence straddles a border between Belgium and the Netherlands.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The steepest classic funicular in the world glides along a dizzying incline.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

A surprisingly detailed model of the world's most powerful radio telescope.

Formerly a brutal Nazi colony, this Chilean village was remade as a (controversial) German-themed tourist trap.

A brutalist gem towering over the heart of Milan.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

The world's largest reflecting pool is just two centimeters deep.

Lady Liberty's original designer installed a little clone in this French fountain.

The portrait of a man from Japan who sent weekly letters to a Dutch hotel he never visited.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

The last of Amsterdam's original sea level markers remaining in place.

This museum inside Amsterdam's largest cemetery explores how people deal with death.