Explore how trains impacted the Southwest at the Southern Arizona Transportation Museum at the Downtown Historic Depot. This nonprofit, bilingual museum has amassed an impressive collection of southern transcontinental railroad artifacts since its inception on March 20, 2005. A variety of exhibits take you from the 1880s to the introduction of the Amtrak. Outside is the restored original Southern Pacific 2-6-0 Mogul No.1673 steam locomotive. Retired railroad engineers share the history of this impressive train, including its use in the 1955 musical Oklahoma!. You’re welcome to climb aboard,