If you're 62 or older and haven't purchased the good-deal federal lands pass for $10 you need to get on it. It provides free access for you and everyone in your vehicle to national parks, monuments, and other federal fee-based lands. Also half-priced camping in USFS, BLM, and other fed campgrounds. At $10 for life (or what's left of it) it's a serious good deal and it's going up to $80 in August - still a good deal, but...
https://www.adventure-journal.com/2017/07/national-parks-pass-cost-skyrocket-seniors/?utm_source=AJ's+Daily+Digest&utm_campaign=926912c3fb-Daily+Digest+newsletter&utm_medium=email&utm_term=0_a7cb93cd43-926912c3fb-390012181&mc_cid=926912c3fb&mc_eid=dcb9da50a3
https://www.adventure-journal.com/2017/07/national-parks-pass-cost-skyrocket-seniors/?utm_source=AJ's+Daily+Digest&utm_campaign=926912c3fb-Daily+Digest+newsletter&utm_medium=email&utm_term=0_a7cb93cd43-926912c3fb-390012181&mc_cid=926912c3fb&mc_eid=dcb9da50a3