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

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

The oldest and smallest cemetery in Paris is only open to the public twice a year.

Museum in a swimming pool where the water still flows.

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

The world's tallest bridge is also possibly the most elegant.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

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

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

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

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

Avant garde house of Pierre Cardin on the Cote d’Azur.

An aluminum skeleton brings Chinese mythology to the French shore.

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

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

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

Ghosts of France's colonial past.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

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

A Gothic cathedral created from volcanic rocks.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.