Thank you all for all the tips, we booked all the places everyone here in Roadtrip America Forum recomended and we'll do an in field report.

Kinda nice to be able to book in advance.
We appreciate all the imput.

We'll be on the American road this June 16th thru late July:
Carlsbad Caverns, Durango and Silverton RR, Grand Canyon, Civil War Country, Vermont, and a lot of places in-between,, DizWorld at Camp Ft Wilderness with our 32 ft trailer and our GMC 4X4 Crewcab.

Warmly,
-Alice and Ross