Nine nice parcels of land along a flight path offer a quiet respite... until a plane soars overhead.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

Love is in the air along the small street in Brooklyn.

In Little Caribbean, an ice-cream shop serves up regional flavors, including soursop, Irish moss, and "greatnut."

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

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

A no-frills cinephile haven known for showing offbeat, underseen films.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A very classy 1920s-era bar right in Grand Central Station.

New York City's smallest piece of private property.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

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

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

This London marker celebrates the spot where the world-famous English band was founded.

Putting the "mod" in "modular" since 2000.

An architectural oddity hides in plain sight on this iconic London bridge.