A bit closer for you herb than some of the other great suggestions would be Yosemite, Kings Canyon, Sequoia. Could do both boondocking and campgrounds.
'05 Ford V-10 4x4 SMB "50" White
'00 Jeep Cherokee 4x4 Highly Modified
'04 Jeep Grand Cherokee- wife won't let me modify it. :-(
Does anyone really read this stuff other than surfgeek?