From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

A mysterious collection of stones stand outside a small New England town.

This railroad tunnel was once the longest in Massachusetts.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

This Massachusetts home was the first to have a telephone line and its own phone number: 1.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

The hero of the women's suffrage movement birth home is now a museum dedicated to her legacy.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

The oldest surviving wood-frame building in North America is still in the family.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

Hut with supplies for shipwreck survivors.

The two writers famously didn't come to blows over the Oxford comma.

This unassuming Massachusetts residence was built with a trap door to hide escapees on the Underground Railroad.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

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

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

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

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

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

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.