At first glance, little checkered structures on the hillside look like they house the living, not the dead.

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

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

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

This statue honors the thousands of Allied avians that served and died for France during World War I.

Museum in a swimming pool where the water still flows.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

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

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

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Carved into living stone, a beloved roadside chapel peacefully welcomes the faithful and curious alike.

Healing waters from a holy well, previously used by locals for doing laundry.

This small chapel built into rock is the oldest place of worship in Luxembourg.

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

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

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

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

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