A large camera obscura, constructed entirely from digitally fabricated components.

Visit the monolithic tomb of America's most famous general.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

An eccentric playboy's astounding natural history collection.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

Home to the Titanic Historical Society's collection.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Books you don’t need in a place you can’t find.

"A hideous albatross in the Hudson River Valley."