Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

An activist who committed her life to peace and women's suffrage.

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

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

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

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.