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

The only remaining historic maritime signal station in the United States.

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

Only a shrine remains at the site of the catastrophic nightclub inferno that killed 100 Great White fans.

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

A grave surprise in the downtown area of New England's second-largest city.

A quaint museum nestled in a former hub of Irish moss harvesting.

This old mill and former police station now present a world-class collection of Orthodox iconography.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

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.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

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

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

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

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

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

Historical etchings such as “Miserable, wild, distracted 1350" and “The Archdeacon is an ass.”

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

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

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Giant marble phalluses on the sacred island of antiquity.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.