Lots of interesting things but I particularly recommended picking up the phones placed about & listen to conversations - particularly those with Lady Bird, Went this time for the American Music Exhibit which was great!
One Child Admission Ticket to USS Cavalla and USS Stewart (Ages 5–11)
Great experience kids loved it. Should have a been able to return if you left land and maybe have wifi available I waited 30 min before being able to download our tickets, because the reception was terrible there