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

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

The oldest continuously inhabited street in America.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

"A hideous albatross in the Hudson River Valley."

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

West Point’s only monument to a woman veteran stands above an empty grave.

This might just be the TARDIS of bookstores.

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.

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

These lush botanical gardens employ the most purrfect pest control force.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

This historic church with a connection to "Uncle Sam" is now a fraternity house.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

At this farm in upstate New York, the former president plotted his reelection campaign.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

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