>Bunkers in Pennsylvania
Decent resource if you have area specifics
https://www.uer.ca/locations/newlist.asp?country=United%20States&province=Pennsylvania
Video shows suspected terrorist revealing his Bay Area attack plans
http://www.ktvu.com/news/video-shows-suspected-terrorist-revealing-his-bay-area-attack-plans
An FBI investigation began in the summer of 2016 when agents flagged some of his online conversation and ahead of his sentencing, new details are emerging of how he planned to kill innocent people claiming he would leave behind “hundreds of bodies.