Editor's Note: This post was originally published in October 2015 and has been updated with the most recent information.
Call it ruin porn or urbex (urban exploration), but inspired photos of abandoned buildings have an uncanny ability to be creepy and beautiful at the same time. This Halloween, embrace the haunted, eerie, and grotesque right on your phones with these spooktacular Instagram accounts documenting everything from crumbling farmhouses to the spookiest details and scenes.