Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

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

This Parisian café sticks almost exclusively to an ethos of reuse.

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

This botanical garden boasts sculptures, industrial ruins, and an endorsement from the Dalai Lama.

An artist's suburban abode looks like an architectural fever dream.

This neighborhood grocery houses a treasure trove of Eastern European delights.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

This collection of grinning ephemera has grown from basement to Brooklyn.

Unique antiquarian shop specializing in globes, maps, and prints.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A hands-on traveling collection of the innovative devices of yesteryear.

New York's oldest magic store.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A terrific purveyor of natural history objects and curios.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.