Oldest synagogue in the United States.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

The land is home to swimming ponies and a legendary 18th-century treasure.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The bears may be gone, but their old cages can still be found.

Dim sum, served in a grand old theater.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Prove you deserve to be fed by Kenny Shopsin.

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

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

New York City's smallest piece of private property.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Paris' linguistic guide to the international language of, yes, love.