About halfway across Yosemite National Park, via Tioga Road, is a stunning view of the Valley and (in the distance) Half Dome. Olmsted Point is well worth the winding, roller-coaster style two-lane road.
... and this one.
Across Tioga Pass (9,945' above sea level, the high point of CART-09), Ellery Lake is a natural air conditioner on the way to Mono Lake.
Mono Lake was targeted by the utility companies in Los Angeles as a water supply for the city some decades ago. "Save Mono Lake" became a common refrain in northern California; today the lake is only about half the depth it used to hold.