The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

France's national museum of scientific and industrial instruments.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A haunting collection of the vanished and disappearing natural world.

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

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

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

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Famously misunderstood wonder of the ancient world

Abandoned railway line circling the city of Paris.

Ghosts of France's colonial past.

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

A surrealist timepiece by the artist of melting clocks.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.