An incredibly extensive guide to boondocking in the American West. I highly recommend these guides to find some incredible boondocking locations.
The best website to find free campsites all over America. Sites are submitted by users and regularly updated and reviewed by users, I would be lost without this site!
This is a great resource if you are in a city and looking for a place to crash for the night, Walmart, Cracker Barrel, and other random places that allow overnight parking. Tell them I sent you (David Kingham, firstname.lastname@example.org) to get a free month on your subscription.