I was on the road for 51 days, traveled 4167 miles, through 7 states (AZ, UT, WY, ID, OR, WA, MT). I visited 5 national parks (Grand Canyon, Bryce, Grand Teton, Mt. Rainier, Yellowstone).
I spent $503.40 on campgrounds and RV parks, but camped for free for 22 nights.
Minnie averaged 8.32 mpg, guzzling $1166.43 worth of gas.
The temperatures ranged from the coldest night of 31° in West Yellowstone to 103° daytime high in Boise. I drove through some hotter places, but didn't camp there.
I think the prettiest place was Mt. Rainier. The most surprising was eastern Oregon and eastern Washington, which were hot, dry, windy desert.
Summer is road construction season. Everywhere I went, some percentage of the roads had orange barrels, barricades and road work signs.
All in all, it was a great trip. I learned a few things: paper plates are the way to go; you really can shower with just 6 gallons of hot water; Hanna needs a doggie sweater for those cold nights; good cell phone signal makes every camp more pleasant; a comfortable recliner love seat would be really REALLY nice; I can squeeze my motor home through a lot of narrow busy streets; and camping really is the answer to any question.
Here's a map of stops I made.