A once-secret library of Freemason history in Catalonia.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

A free library to stumble across, one of many placed worldwide if you know where to look.

A library of rare occult books in Los Angeles.

The library's graceful rotunda is like a bibliophile's temple.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

Peek through a transparent pyramid and drink in the mountain made of books.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Every last book in this bookstore is signed by the author.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This free, take-a-book shop seems like a trick but isn't.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

A huge boat-shaped hotel with a blood red pool and other oddities.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.