And many national parks have reasonable rules for backcountry camping - the rules themselves encourage you to get out of sight. It's restrictive at Zion, but I'

And many national parks have reasonable rules for backcountry camping - the rules themselves encourage you to get out of sight. It's restrictive at Zion, but I've camped in the backcountry at Joshua Tree a couple of times, at Arches, Canyonlands, etc. You leave the trail and won't necessarily see anyone until you return.