The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

Walk into the 19th century without leaving Brooklyn.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

A huge resale shop for the cast-offs of the film & television industry.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The only subway station in the city that still makes use of gap fillers.

What was once a vast naval cemetery is now home to nesting birds and pollinating bees.

A touching tribute to the "Queen of Soul."

Built in the 1920s, this co-op in the Bronx feels more like an Italian villa than a typical New York apartment building.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

Dine on dumplings at the oldest dim sum restaurant in New York.

This unusual subway stop was originally a real estate office.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

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

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

This Queens beer hall preserves a German culture and language that is all but lost.

A burial ground of rusting metal grave markers.

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

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.