A 12,000-year-old bog boasting rare plants and fauna.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Even Henry David Thoreau found this glacial pothole irresistible.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

One man's lifelong obsession with death.

Series of storm drains connected to a dark urban legend.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

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.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

This small, hidden cove is home to abandoned boats.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

Unlock the secrets of the conjuring arts.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.