Walk over a 150 year old manhole.

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

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

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A whimsical, but often overlooked clock in Park Avenue.

Unlock the secrets of the conjuring arts.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

Queen Anne style apartment house built in 1886.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

Read a book next to a Midtown waterfall.

A celebration of capitalism in Midtown.

A Manhattan office building is home to the world's largest chess board.

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

A crumbling hospital from the 1850s on Roosevelt Island.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

The loneliest island in New York.

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

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

Where one of Greenpoint's "five black arts" was practiced.

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

Come for the pastrami, stay for the million-dollar art.