This unconventional used book store was once in the news for the surprising act of burning books.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The library of every book lover's dreams.

Explore the evolution of printing technology, from cuneiform to Kindle.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

One man's extraordinary topiary garden in a small South Carolina town.

Rare videos and memorabilia await visitors inside this unique store.

Radical Bookstore and Community Space.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

A replica of the home of a famous fictional troll family.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

Dr Barnes' $25 billion private collection of art and arboretum.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

A museum befitting the city responsible for supplying the majority of the world's LSD.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.