Paris' linguistic guide to the international language of, yes, love.

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

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

One of Jeff Koons’s largest sculptures and his first commemorative work.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.