One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

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

Dim sum, served in a grand old theater.

Civil War Fort on an island in the Boston Harbor.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

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

Site of an oft forgotten and revolutionary battle.

This small shop walked so America could run on Dunkin'.

The homestead of American patriot John Adams.

A pair of 7-foot legs belonging to the military man of the Mayflower stand jauntily by the side of the road.

A mysterious air force base built to resemble a Long Island fishing village.

New London, Connecticut still holds a grudge against its hometown son who turned traitor and burned the city.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

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

The Connecticut village named for its subterranean thunder.

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

The graves of a Connecticut family thought to have been plagued by a vampire.

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

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.