Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

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

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

A waterway covered over after the Industrial Revolution has been unearthed and cleaned up, for the enjoyment of fish and humans alike.

The last standing puppet theater on Long Island.

A historic lighthouse steeped in rumors of ghost and pirate stories.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

The site of a tragic massacre that spawned a multimedia franchise.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

One of the oldest surviving bars in the United States, located at the site of the last skirmish of the American Revolution.

A small cave hidden deep within the Jenny Jump State Forest.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

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

Series of storm drains connected to a dark urban legend.

Founded in 1788, this Rhode Island institution is the oldest operating general store in America.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

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