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

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

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

Try a classic Necco candy bar being resurrected in a small suburban shop.

Hut with supplies for shipwreck survivors.

This mysterious artificial cave has long puzzled New Englanders.

Resonating tubes make music from highway overpass.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

The filming location of a shark attack in Steven Spielberg's famous shark movie.

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

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

This picturesque abandoned home is rumored to be a spite house.

A men’s restroom became a sandwich shop.

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

This railroad tunnel was once the longest in Massachusetts.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A cave dug by a man directed by ghosts to find pirate treasure.

Ice cream stand, snack bar, and time capsule of milk conveyance.

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

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.