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

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

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

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

BDSM, 1930s Style.

The first green space constructed on an elevated viaduct.

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

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

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This massive library holds what was once the largest book collection in the world.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

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

Notorious artist squat renovated into legal studios.

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

Pop culture has helped to keep this iconic British building from being destroyed.

Artists and musicians now rule over this former rail station.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

A friendly pub with a sordid past in cock fighting.

The remains of the great moral philosopher reside in a university in London.

A cluttered and astounding collection of antiquities and curiosities.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.