California adventure: Joshua Tree NP, Los Angeles, Malibu Beaches 

Things to see in Southern California:
Joshua Tree National Park:
Twenty nine palms visitor center
Barker dam
Skull rock
Arch Rock
Cholla Cactus Garden
Los Angeles:
Hollywood Sign
Hollywood Walk of Fame
Venice Beach
China Town
Santa Monica Pier
Malibu Beaches:
El Matador
Point Dume State Beach
Malibu Beach