Once the largest public hospital for the mentally ill was also surrounded by controversy.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

This small shop walked so America could run on Dunkin'.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

A tiny monument to the classic American candy.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

These whimsical works of art tell the story of the city's past and present.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

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

It's not a typo, now say it five times fast!

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

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

A New England ghost town features a trail of boulders etched with intriguing life lessons.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Friction between grains of sand cause a curious "singing" sound.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

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

Resonating tubes make music from highway overpass.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."