The Atlantis of Cape Cod reemerges during the lowest of tides.

An elaborate, hidden model train in the Needham Town Forest.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

Hut with supplies for shipwreck survivors.

One man’s hobby is another man’s world of metal wonders.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

This picturesque abandoned home is rumored to be a spite house.

This railroad tunnel was once the longest in Massachusetts.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

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

The site of the first "historically true" UFO encounter in the U.S.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

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

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Resonating tubes make music from highway overpass.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Painstakingly built dioramas sit unnoticed in a Boston office building.