If you have not heard of it yet, Hipcamp is a website that works like Airbnb for campsites. You can book a nights stay on peoples ranches, farms, vineyards and land preserves for a fee. Or you can book a stay at all National, State, Regional and Army Corps Parks in all 50 States. Which comes out to 2,197 Parks, 8,635 Campgrounds and 282,464 Campsites across the USA.
Check it out, it’s some good stuff.