Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Baroque celebration of the end of the Great Plague of Vienna.

A stunning 18th century pharmacy and medieval chemist's collection.

Something's watching you.

Packed to the ceiling with antique taxidermy and hunting arms.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

This bone-filled cave got its name after they found 140 bear skeletons inside.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

A collection of items from a way of life that no longer exists.

Dedicated to a synagogue that was destroyed after having survived World War II.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

In an area known in Bratislava’s postal history, this sculpture sits equipped with a functional postbox.

The largest fountain in Bratislava.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

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

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.