Why have you never heard of the second most popular tourist site in New York?

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

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.

Avoid gangster interaction while window-shopping.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Abandoned blast furnaces are an enduring reminder of Scranton's once booming iron business.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

This elaborate towering structure was once famed for its revolutionary height.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Abandoned Italianate architecture on the coast of Maine.

The most photographed house in Maine looks good enough to eat.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

A serene plaza that commemorates one of the Granite State's most iconic figures.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.