Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

Abstract dinosaur models in London.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A famous burial ground with a history both grim and literary.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

A museum wholly devoted to juvenescence.

This hidden green space is the city's second largest conservatory.

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

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.

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

A haunting collection of the vanished and disappearing natural world.

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

The storefront of a ramshackle Parisian puppet theater.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

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

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

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

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.