You can park your RV at wineries, breweries, farms, and museums across the US for free with an $80-a-year membership program called Harvest Hosts https://www.msn.com/en-us/travel/tripideas/you-can-park-your-rv-at-wineries-breweries-farms-and-museums-across-the-us-for-free-with-an-80-a-year-membership-program-called-harvest-hosts/ss-BB18obPc