The most scenic route is probably Yosemite to Lake Tahoe, Carson City, US 50 to Great Basin National Park, and then southeast to Cedar Breaks National Monument and Bryce Canyon NP. That's the route we took with our fifth wheel several years ago and enjoyed missing the Mojave Desert and Law Vegas.
"Retirement is the best job I ever had!"
2016 Rockwood Signature Ultra Lite 8244WS 5th Wheel; 2015 Ram 2500 4x4 CC-SB 6.7L CTD
Sold: 2012 Rockwood Mini Lite 2109S