The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

Eclectic architecture in the woods of New York.

This small, hidden cove is home to abandoned boats.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

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

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

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

A natural gas leak provides a flickering flame beneath a waterfall.

One of the last Jazz Age "Wonder Theaters" in New York City.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This icon of the Atomic Age now lays dormant.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.