"Try not to knock anything over!"

This decrepit abandoned building is made all the more eerie by its dark history.

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

A red brick monolith is all that remains of New England’s first commercial brickyard.

Hill-like structures formed by glaciers and sandy spits of land.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

The Cape Cod house that whaling built.

Surrounded by lonely toys, this Massachusetts gravestone marks the final resting place of six children who were murdered by poverty.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

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

A rock outcropping left by a glacier that made itself useful throughout the centuries.

Last church of this militaristic WWII style.

This mysterious artificial cave has long puzzled New Englanders.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

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

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

Civil War Fort on an island in the Boston Harbor.