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

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

French Time Capsule-19th Century home revealed to the public.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

Personal garden filled with mosaics made of recycled garbage.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

Natural mummies hidden in the crypt of a medieval French church.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

The sunken structure looks like the victim of a catastrophic flood.

One of the oldest masonic museums in Paris.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.