Unrepaired walls from a 1920 anarchist bomb attack.

A graffiti Mecca welcoming artists from around the world.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

Read a book next to a Midtown waterfall.

Become a prohibition rebel.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

A hip bar decorated with walls of golden skulls.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The saddest little diner in New York.

A terrific purveyor of natural history objects and curios.

A hands-on traveling collection of the innovative devices of yesteryear.

A semi-scholarly approach to sex.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A crumbling hospital from the 1850s on Roosevelt Island.

Tucked in the back of this amazing antique store is an important piece of medical history.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.