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

The oldest continuously inhabited street in America.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This once-private estate is now a dreamy, meditative garden that's open to the public.

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 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

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.

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

This restaurant features Native American foods from across the country.

A blast of nostalgia awaits visitors to this miniature indoor raceway.

This unique architectural wonder is home to luxury apartments.

The longest step street in the city.

The metal leaves on this tree are engraved with the names of Holocaust victims.

An interesting look into 18th-century American history.

The location where the iconic movie character declared it was time to go home.

This modern work of art was a refreshing addition to one of the oldest theatres in the city.