The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

The encased skull that is widely believed to belong to St. John the Baptist.

A tiled, multi-level garden of survival in Lyon.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

A self-built mosaic house and sculpture park.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

These quaint French houses dangle precariously over a precipice.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

An aluminum skeleton brings Chinese mythology to the French shore.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

Ghosts of France's colonial past.

The fantastic architectural models of a French traveler.

This professional clown's home is an outsider art wonderland.

Monsters and miniatures are held in equal esteem at this wondrous museum.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Historic medieval fortified city in southwest France.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

The largest underground church in Europe.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.