This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

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

Dedicated to "the father of U.S. life insurance."

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.

This statue intended for children to enjoy became a minor political spat.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

America’s oldest community theater, this Boston club has been in operation since 1877.

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

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Home to the Titanic Historical Society's collection.

A museum dedicated exclusively to the lore and history of ouija boards.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Utopia and nostalgia mingle at the site of Bronson Alcott's ill-fated agrarian commune.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

This unique house, the only one of its kind in Brooklyn, was built as part of a real estate developer's showcase.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A curious friendship between two inanimate ladies.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

A quiet spot commemorating two naturalists who had to choose between love and the university at which they both taught.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

The hill that gave the Massachusett tribe, and later the state, its name.