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

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.