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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Read a book next to a Midtown waterfall.

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

A legendary speakeasy bookstore returns from the brink.

Peek through the gates at this oasis from the city, full of Old English charm.

The oldest surviving synagogue in New York City is now a soaring art space.

An unassuming secret door once led to a legendary watering hole.

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

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

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A living archive of urban activism and space reclaimed.

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

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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

This collection of grinning ephemera has grown from basement to Brooklyn.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Phil Mortillaro uses keys to bring art back to the Village.

This former crime corner has been turned into an eclectic community center.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Ride the subways of yesteryear.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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.