This museum in a Paris apartment gives a unique look at the iconic French singer's life.

The narrowest street in Paris.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

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

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

A surrealist timepiece by the artist of melting clocks.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The oldest stone house in Paris was built by its most famous alchemist.

Notorious artist squat renovated into legal studios.

A popular Icelandic children's story comes to life inside this cave.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

A Bibliophile's Dream.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

Community bookshelf of 25-foot-tall book spines.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.