In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

Records of the dead describe the myriad odd ways people used to die.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Relics given to a Manhattan church to avoid seizure by the Italian government.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

Visit the monolithic tomb of America's most famous general.

An arcade packed with a rotating collection of unique independent video games.

Bowl in splendor, if you're lucky.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Unique antiquarian shop specializing in globes, maps, and prints.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Nondescript elevator doors open to reveal a stunning, surreal world.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Read a book next to a Midtown waterfall.

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

New York's oldest magic store.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.