HBO series' stage tucked away in a Greenpoint lot is the largest theatrical set of its kind in the United States.

The home of aviation trailblazers, in a remote corner of the big city.

A hidden architectural treasure in New York's Brooklyn.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

A modern zoetrope on the New York City subway.

A curious friendship between two inanimate ladies.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

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

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

Sniff the Titan Arum's rotting flesh.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

A condo complex once housed a boarding school with the 24th U.S. Vice President among its notable alumni.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

A small structure built from used railroad ties honors the short term of America's 20th president.

This giant satellite antenna services the transmission needs of government agencies and cable programmers.

A decorated war pigeon stands guard in eternal taxidermied rest at his alma mater.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

Mysterious rocks that ring musically when struck.

The home of former Heavyweight Boxing Champion, "Gentleman Jim" Corbett.

Townhouse facade doubles as an RMS Titanic Memorial.

No monkeying around, this fountain was really named after the classic sci-fi film.

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