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

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

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

The site of the tragic isolation of Nipmuc Native Americans left to perish in King Philip's War.

Every December the Wannalancit Mills lights a Christmas Tree over the old mill's smokestack.

The final resting place of a suffragist author.

A school used as a model for public education across the country.

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

A monument park dedicated to the influential Beat Generation author and poet, Jack Kerouac.

The final resting place of a wealthy landowner who helped create the largest public park in Western Massachusetts.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

These three lighthouses played a fundamental role in the maritime life of Eastham.

One of the last remaining movie theatres in the country that features a rear-projection system.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

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.

A short walk through the woods will take you to an unusual flat hill top, used by the Shakers for outdoor worship.

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

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

In the 19th century, this was the center of Boston's Black community.

Small island science organization offers public the chance to participate in research.