A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

The hill that gave the Massachusett tribe, and later the state, its name.

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

This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

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

The birth home of one of cinema's legendary actresses.

One of the indelible moments of the American Revolution took place at this location.

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

A mysterious stone embedded at the base of a historic Boston building.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

An 80-year-old house built out of newspapers.

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

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

35,000 grape hyacinths flow like water down a garden hill.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

One of the now-less-hidden floral gems of the "Emerald Necklace."

The final resting place of a suffragist author.