A recently abandoned psych ward at the end of Sanatorium Road.

One of New Jersey's oldest churches is a historical treasure trove.

This park contains a number of standing stones meant to heal and inspire.

Three acres of mythology-inspired sculptures are visible from the highway.

This mouldering abandoned mental hospital was once a center for progressive healing.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

One man's swirling six-acre monument of stone.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A peaceful international sculpture garden in upstate New York.

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

Mysterious rocks that ring musically when struck.

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

This derelict building used to house infirm Freemasons, their widows, and orphans.

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

Whimsical artist house in the New Jersey woods.

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

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

A fictional town that was briefly brought to life before fading once again out of existence.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This abandoned factory on the Hudson River once churned out a million bricks a week.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

Six peaceful acres in a residential neighborhood dedicated to art and peace.

This old cement mine has been used as everything from a mushroom farm to a recording studio.