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

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

Impossibly life-like natural history models created out of glass by a father and son.

A stunning garden filled with fantastical environmental folk art and sculptures.

The site of the first "historically true" UFO encounter in the U.S.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

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

Beautiful steampunk ghosts of early Massachusetts.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

Three prestigious academic collections come together to create a world-class natural history museum.

This small, unassuming, nursery plays hosts to some unique plant life.

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