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

Over fifty whirling pools left by the glacial age.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This roadside wonder is as mysterious as it is beloved.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

An abandoned Victorian-era mill in the middle of modern Manchester.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

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

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Expertly restored pinball machines as far as the eye can see.

Underground tunnels remain beneath this abandoned mental asylum.

The headquarters in Salem doubles as an occult art gallery.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

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

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This railroad tunnel was once the longest in Massachusetts.

Once the largest gravity dam in the world.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The Boston square dedicated to the dark poet who was born nearby.

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