Crazy Things At National Parks: https://www.kickassfacts.com/national-park-facts/
The Zone of Death: http://www.weirduniverse.net/blog/comments/yellowstone_zone_of_death1
Research on people missing in North American Parks: Missing 411
Website dedicated to people missing in National Parks: CanAmmissing.com
SUGGESTIONS, COMMENTS, CORRECTIONS: thebfdpodcast@gmail.com
