The remains of Crystal Palace Great Exhibition of 1851.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Eighty million natural history specimens call this gargantuan museum home.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

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

The Sun King's military models, saved from the Louvre.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

Saintly bones pressed into a wax effigy of a Catholic superstar.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

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

This museum houses an imposing skeleton army comprised of creatures great and small.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

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

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

A surrealist timepiece by the artist of melting clocks.

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

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

A haunting collection of the vanished and disappearing natural world.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.