This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Macabre astrological automaton clock dating to the late 1400s.

This modest marker near Notre Dame identifies the very center of Paris.

This massive library holds what was once the largest book collection in the world.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Abandoned railway line circling the city of Paris.