Washington State to Vegas via stops in California

From Monterey I'd take HWY 1 through Big Sur if you never took that route it's a very Nice Scenic Route that comes out through Morro Bay then jump on the 101 up through pismo Beach and then cut to 154 to continue back on the 101 or you can just keep on the 101 through Santa Barbara and continue up into Ventura. Then you can Take Rice Ave from Oxnard and continue back on PCH 1 up through Malibu to Santa Monica. It may be a lil longer but it's a Nice drive.