This donated headstone marks the grave of a pair of elderly women who were mysteriously murdered.

The scarce remains of a sunken ship peek out from the sand on East Beach.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

She become one of the first women to serve in the United States military by secretly dressing like a man.

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

All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

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

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

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

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

A monument to the Mohawk people stands along an old Native American trade route.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

It took 275 years and four burials to finally put the Mayflower’s most famous passenger to rest.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

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

The oldest living cultivated fruit tree in North America.

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

This massive World War II calculator hearkens back to the days when "computer" was a job title.

Haunted boulder in a front yard with a witch painted on it.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.