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.

Self-sufficient greenhouse floating on the Hudson River.

A beautiful, historic location open to the public.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

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

The real-life site of Ichabod Crane's infamous gourd attack.

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

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.