It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

An enormous cat made of recycled wood scraps.

This once luxurious Catskills resort is now a haunting ruin.

A tribute to the hard-working men and women of Grumman, who crafted F-14 fighter jets.

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

The small burial plot is located in a mall parking lot.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

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

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

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

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

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A peaceful international sculpture garden in upstate New York.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

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

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

"A hideous albatross in the Hudson River Valley."

100 massive sculptures in the Hudson River Valley.

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

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.