One of the last Jazz Age "Wonder Theaters" in New York City.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

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

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Cryptic messages embedded in the New York City sidewalk.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

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

Brooklyn's most iconic restaurant, resurrected.

Ride the subways of yesteryear.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

Sunset Park's Guatemalan community knows to head to the back of this bodega for a taste of home.

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

This small, hidden cove is home to abandoned boats.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

Once America's longest-manned military fort, now an abandoned hulk.

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.