If it feels like a speakeasy, that’s because it probably was one.

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.

The oldest surviving synagogue in New York City is now a soaring art space.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Ride the subways of yesteryear.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The oldest continuously inhabited street in America.

The second largest maple syrup producer in the U.S. runs a high-tech operation.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

Eight whimsical acres of metal art.

Three acres of mythology-inspired sculptures are visible from the highway.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

An abandoned dollhouse factory.

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

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

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

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

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

One man's swirling six-acre monument of stone.