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

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

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Paris' linguistic guide to the international language of, yes, love.

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

The celebrated eyesore created by starry-eyed sweethearts.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

Noirish green neon marks the location of one of the oldest private detective agencies in France.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

France's national museum of scientific and industrial instruments.

The first green space constructed on an elevated viaduct.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

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

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

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

A French artist's vague warning hangs over Belleville.