One of only two commuter aerial tramways in the United States.

This abandoned artificial island off the coast of New York City is now home to dozens of harbor seals.

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

A dilapidated dock tells the story of Titanic's missed arrival.

The 28-foot granite map plots the locations of 40 theaters in New York City.

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.

There must be a pun in this haystack somewhere...

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

Commemorating the spot where the famous scientist fed his pigeons.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The site of the deadly Triangle Shirtwaist Factory Fire.

A bit of retro transportation flair preserved in the world's largest department store.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A crumbling hospital from the 1850s on Roosevelt Island.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

This candy-colored storybook village originated as a 19th-century Methodist campground.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

The scarce remains of a sunken ship peek out from the sand on East Beach.

Marigolds, rosemary, Madonna lilies, and the Virgin’s Bower decorate this Massachusetts sacred garden.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

Historic Hull Street was actually the first street with a proper name in the Boston area.