This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

Final resting place of one of the classic authors of horror literature.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Overgrown ruins of a turn of the century island fort that sees very few visitors.

"Mock all and sundry things, but leave the saints alone."

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

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

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

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

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.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

Over fifty whirling pools left by the glacial age.

Three prestigious academic collections come together to create a world-class natural history museum.

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

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

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

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

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

This enormous abandoned factory is now a makeshift graffiti gallery.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

Underground tunnels remain beneath this abandoned mental asylum.