An ancient glacial pothole waterfall in the heart of the Green Mountains.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The largest known open fault in the United States is basically a giant natural refrigerator.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

A former copper mine which became a truly unsuccessful prison.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

An abandoned Depression-era zoo hidden just off the highway.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

A human attendant once directed car traffic from this structure before automated stoplights.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Designed as a place for patients to take in the scenery, this tower has a dark history.

Where Eunice Williams was murdered by natives, and where locals say her ghost still haunts.

Over fifty whirling pools left by the glacial age.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

A monument to the Mohawk people stands along an old Native American trade route.

A mysterious collection of stones stand outside a small New England town.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The cave where two British judges hid in exile after sentencing the king to death.

The headquarters of the famous Yale society.