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

A chapel on a volcanic core, marking the end of a successful journey.

The Sun King's military models, saved from the Louvre.

An ancient monastery, a locked room, and a mysterious book heist.

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

Ghosts of France's colonial past.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

The world's largest reflecting pool is just two centimeters deep.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

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

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

These quaint French houses dangle precariously over a precipice.

The fantastic architectural models of a French traveler.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

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

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

A medieval military street hidden beneath a charming French fishing village.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

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

The largest underground church in Europe.

Historic medieval fortified city in southwest France.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

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

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.