This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

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

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Two thousand artifacts from around the world collected by one woman who loved to travel.

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

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Beautiful hillside Vermont cemetery with amazing funerary art.

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

Over fifty whirling pools left by the glacial age.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This decrepit abandoned building is made all the more eerie by its dark history.

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

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

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

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

An eccentric inventor's castle home with its own indoor weather system.

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

This railroad tunnel was once the longest in Massachusetts.

Hut with supplies for shipwreck survivors.

Overgrown ruins of a turn of the century island fort that sees very few visitors.