Yale University's home for rare works, including the mysterious Voynich Manuscript.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

An unrealized dream to wirelessly electrify the entire Earth.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Nearly four centuries after its founding, remnants of one of the oldest planned communities in North America are still visible in southern Brooklyn.

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

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

An exhibition space dedicated to American outsider art created between the 18th and 21st centuries.

Two New York rooftops are home to the largest rooftop soil farms in the world.

A B.Y.O.B. Mexican cantina lives inside one of the last tortilla factories in Brooklyn.

An 1883 schoolhouse now home to collective of artists.

This landmark building is now a vibrant performing arts space with musical acts from around the world.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

A massive art collective tries a new take on Brooklyn's DIY music scene—by making it fully legal.

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

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

Check out the underground party scene at the "Burning Man of Brooklyn."

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

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

One sculptor's lifelong war game is the largest and longest running miniature campaign in history.