An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

One sculptor's lifelong war game is the largest and longest running miniature campaign in history.

The Binghamton area is home to six of the last remaining hand-carved vintage carousels.

This New York estate was designed to resemble a medieval Scottish castle.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Possibly the smallest church in the world floats in the middle of a pond.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

Eclectic architecture in the woods of New York.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

Why have you never heard of the second most popular tourist site in New York?

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

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

A winding, cliffside stretch of road overlooking the Delaware River.

A castle built for love, and abandoned due to heartbreak.

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

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.