Most people picture Palm Springs as a destination for golf fans and couples seeking mid-century modern aesthetics and poolside cocktails. But here’s a surprise: the greater Palm Springs area is actually fantastic for a family trip with kids of all ages. The Coachella Valley stretches across several connected towns—Palm Springs, Palm Desert, Rancho Mirage, La Quinta, Indian Wells, Cathedral City—all within a 30-40 minute drive of each other. That means...