I agree with another poster about the Grand Canyon Railway RV Park. The sites are good; walking distance to town of Williams, AZ, with lots of neat stores and restaurants..a good Mexican restaurant. You can ride the train to the Canyon (entertainment on the train, sack lunches and a tour bus when you get there).
Although I wouldn't call it a 'resort', there is a KOA rv park in Grants, New Mexico...It is built around a lava field, so the scenery is neat. Also, they have a menu and will make a meal for you...nice if you don't feel like cooking.
In Las Vegas a couple of years ago, we stayed at the Oasis RV Resort...it's not on the strip, but just a few miles away. Nice, clean, all amenities.
We really like the North Beach RV Park in St Augustine..lots of privacy between the sites and the ocean and beach are right across the highway.
If you ever go to California, research Casa de Fruta near Hollister, CA...it has everthing...RV park, Restaurant, and an open market with ever kind of fruit, nut, and wine...even a carousel for the youngsters. It's not the name of a town, just the name of an incredible "place".....In a couple of hours, you can drive the Big Sur.
Cannon Beach RV Resort in Cannon Beach, Oregon is great...the drive on 101 along the ocean is awesome. Mo's Clam Chowder is right on the beach..the view and the chowder are wonderful. The beach is pet-friendly.
Happy Traveling.....