Other airport "boneyards"
There are also a couple of aircraft boneyards not too far from your route in California.
There's one at the California Air Logistics Airport (on the north side of the Victorville Airport) near where 395 comes south into Victorville (north of LA, north of San Bernadino). There's somewhere around 100 obsolete commercial jets on the north end of the airport. If you're coming into California via 50, you'd have to come south via Bishop and the Death Valley area to go here.
There's another at the Mojave airport in Mojave, California with another 100 or so obsolete commercial jets. The Mojave airport is off of CA-14 north of Edwards Air Force Base (north of Palmdale California). There are also sometimes a bunch of other interesting planes at this site -- commercially owned ex-military jets, including a Mig-29, and there's a commercial high performance jet training company that offers training in some surplus supersonic jets as well. It's also the home of Burt Rutan's Scaled Composites, which has made such aircraft as SpaceShipOne which recently won the X-Prize. If you come into California via I-15 you can reach this either from 395 (veerings west on 178), or from I-5 or I-99 by taking I-58 east from Bakersfield, and then entering LA via the 14 freeway through Palmdale.
Comment about US50 in Nevada
One of the things I really enjoy about US50 across Nevada is its remoteness. The highway crosses several mountain passes and valleys in sequence, and as you drop down one grade into the valley below, you can see 15 to 20 miles across to the next uphill -- with the highway stretching across the intervening land like a black ribbon. I'm a westerner through and through, so seeing horizon to horizon for miles on a clear day is something I live for (and treasure). The middle of Nevada is a place where you can get a feel for the expansiveness of the American West. If that appeals to you, then US50 will be a good choice.
Additional stops, if you are interested in history, Old Bent's Fort (CO) the Kit Carson Museum (Las Animas, CO), Dodge City, KS and Oregon Trail (& Pony Express) sites in the Kansas City area. The Santa Fe Trail parallels part of this route for a distance, so you will also see some markers for that. In the bottomlands just west of St Louis along the Missouri River, you will find a number of wineries, if that interests you (State Route 100 would be a good detour for those). In Indiana, about 38 miles south of your route you'll find Lincoln State Park, which is where our 16th President grew up and where his mother is buried. That's about as far as I've been on this highway -- but with this and the other suggestions, you should have a good start.Bob