A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

A tribute shrine where the Space Invasion street art movement started.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

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.

Statue of death tucked in the University of Medicine courtyard.

The history of radiation is on safe display at the foot of a radiation science laboratory.

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

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

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

The very center of Paris is surrounded by a bevy of strange good luck rituals.

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

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

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

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

A curious friendship between two inanimate ladies.

Commemorating the spot where the famous scientist fed his pigeons.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

Plot your trip through the city on the sidewalk.