Book excerpt: From sea to shining sea, learn about our nation’s 50 states! Join the Smithsonian on a cross-country trip across the United States in Smithsonian Jigsaw Journeys: The 50 States. Kids ages 6 and up will become American history experts as they learn about what makes each state unique by reading the 48-page fact book. The included brightly illustrated poster and puzzle will gives kids extra opportunities to learn the location and capitals of each of the fifty states.