Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

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

The highest point on the island known for buildings that touch the sky.

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

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

Commemorating the spot where the famous scientist fed his pigeons.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Visit the monolithic tomb of America's most famous general.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The site of the climactic scene from the classic horror film is now a historic landmark.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

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

The lost town of Neversink, sunk by New York City.

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

A quaint village in Western New York named after Alexander Hamilton's beloved sister-in-law.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

An off the grid woodland retreat that harkens back to days long forgotten.