The last remaining attraction from Paragon 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.

Site of an oft forgotten and revolutionary battle.

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.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

New Hampshire's first neighborhood is now preserved as a historic village with live action role players.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

The world's largest rotating world.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The world's only and thus largest collection of its kind celebrates everyday wonder through simple umbrella sheaths.