This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

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

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

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