A forgotten stone skeleton of medieval Dijon slumbers beneath the feet of unsuspecting museum visitors.

These exceptionally narrow openings between giant rocks will test your daring.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

Below the altar in Saint-Willibrord Basilica rests the mortal remains of Luxembourg's patron saint.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

Rendering of a comic-book hero turned Luxembourg national symbol.

In Luxembourg’s pastoral fields lies a Roman country estate, once rich with imperial ambition.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

After the construction of a nearby cathedral obstructed the view, the oldest belfry in Belgium was more than doubled in height.

Secret refuge and museum of the Duke of Florence.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

A chapel quietly preserves the remains of Father Damien, who devoted his life to caring for leprosy patients.