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

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

A museum dedicated to "science, history and the arts" little changed since 1915.

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

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

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

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Museum dedicated to awful artwork.

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

A beautiful Victorian-era cemetery, complete with a miniature village.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

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

Rumored to have tormented a family in the late 1960s, this toy now resides in a quiet little oddities shop.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

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

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

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.

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