A living antique aviation museum in the historic town of Red Hook, New York.

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

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

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

A monument to the military service of America's greatest traitor refuses to even name him.

A peaceful international sculpture garden in upstate New York.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Two mermen, eternally spitting into each other's mouths.

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

The Hudson River School comes alive at this palatial estate.

An enormous cat made of recycled wood scraps.

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

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

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

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

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

The former home of a disgraced local priest now hosts a mysterious secret supper club.

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

Fossilized sea bottom and lime quarry.

This Catskills museum preserves stumps from the earliest known fossil forest on Earth.

This small Catskills village has six independent bookstores and more bookshops than restaurants.