美国行程征求意见稿, 求长老指点啊

草拟美国行程, 求各位长老意见,一家三口，孩子刚4岁
Beijing → Los Angeles →San Francisco → Los Angeles → San Diego →Las Vegas → Los Angeles → Beijing
Day 1 San Francisco ( Fisherman's Wharf, Lombard Street)
Day 2 San Francisco (Golden Gate Bridge, California Academy of Sciences)
Day 3 San Francisco -> Los Angeles (Santa Barbara, Solvang (丹麦村)
Day 4 Los Angeles -> Universal Studios, Santa Monica 日落
Day 5 Los Angeles -> Grauman's Chinese Theatre, Palisades Park,
Day 6&7&8Los Angeles -> Disneyland , Disneyland Adventure
Day 9 Los Angeles -> San Diego (Sea World)
Day 10San Diego-> (USS Midway)->las vegas
Day 11Las Vegas Caesars Palace , MGM Grand, New York New York, Luxor Las Vegas
Day 12&13Las Vegas ->Grand Canyon national park
Day 14&15 Grand Canyon national park->Los Angeles(shopping)
Day 16Back to Beijing