Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Limestone grottoes turns everyday objects into stone.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

Claude Monet was baptized in this lavishly ornate Paris church.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

An atmospheric, medieval-themed book store hides in a 13th-century underground space.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

Trek up this glacier before it disappears.

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

The room where Vincent van Gogh died.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

The eclectic observatory castle of a 19th-century astronomer and explorer.

A tiny, forgotten park of surrealist sculptures in Angouleme.

Memorializing the bravery of one young woman facing the monster of her age.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

This crack in France's seaside cliffs once hid a sinister secret.

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

An often-shuddersome journey into a low-tech, robotic themepark.

This miniature Paris, built out of trash, is one man's two decade labor of love.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.