This mile marker stands at the unofficial end of a highway built to defend the United States from a Japanese invasion during World War II.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

This castle constructed in 1928 was crafted from drawings of Lismore Castle in Ireland.

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

Malcolm X's house during his most formative years faces an uncertain future.

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

A quaint museum nestled in a former hub of Irish moss harvesting.

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

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

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

This candy-colored storybook village originated as a 19th-century Methodist campground.

No one messes with the Massachusetts sacred cod, not this time...

This is the house that spite built.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

Not one, but two of Frank Lloyd Wright's architectural masterpieces nestled on the same street.

After the state would not recreate this beloved rock formation, three New Hampshire brothers took things into their own hands.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

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

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.