Grand Canyon diorama debuts on the Disneyland Railroad:

 All aboard for the Grand Canyon:

 On March 31,1958, Guests riding the rails of the Disneyland Railroad first marveled at this "grand" new attraction to the Grand Circle Tour of Disneyland Park, located between the Tomorrowland and Main Street, U.S.A. stations.

 The diorama recreates the view from the south rim of the Grand Canyon, depicting native animals like deer, skunks, wild turkeys and mountain lions living among aspen and pine trees. Stretching 306 feet wide and 34 feet tall, the diorama features a seamless canvas backdrop painted by Delmer Yoakum, an artist and motion picture scenic designer, who used 300 gallons of paint to recreate the canyon's colors under weather phenomena like snowfall, sunsets and rainbows. The trek is set to composer Ferde Grofe's "On the Trail" from his "Grand Canyon Suite."

Later in 1958, Disney released the documentary featurette "Grand Canyon," which won an Academy Award for Best Short Subject (Live Action). In 1966, the grand Canyon diorama was bookended by the dinosaurs of Primeval World, relocated from the Magic Skyway attraction of the 1964 World's Fair.

Love riding the rails at  Disneyland...Dr Lee