This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The oldest living tree in Manhattan comes shrouded in sinister legend.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A semi-scholarly approach to sex.

The first museum in the United States dedicated entirely to posters.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

An artist's cute bronze subway sculptures belie his violent artistic past.

The most confusing clock in New York.

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

An aptly-named street near the birthplace of the modern LGBT rights movement.

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

The site of the deadly Triangle Shirtwaist Factory Fire.

New York City's only radical feminist independent bookstore.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.