Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The bears may be gone, but their old cages can still be found.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A cave dug by a man directed by ghosts to find pirate treasure.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

A historic bridge with a lovely acoustic anomaly.

35,000 grape hyacinths flow like water down a garden hill.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Over fifty whirling pools left by the glacial age.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

Friction between grains of sand cause a curious "singing" sound.

An eccentric inventor's castle home with its own indoor weather system.

A beautiful Victorian-era cemetery, complete with a miniature village.

Now home to hardy plants, these sand and gravel dunes once held back a massive prehistoric lake.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

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

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

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

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

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