Now that Disneyland Resort’s AP Days event has come to an end, the Main Street Opera House at Disneyland is once again fully accessible to all guests, and with its reopening comes a brand-new exhibit: “Disney’s Steam Trains,” focusing on Walt Disney’s love of locomotives, and the trains that have run in the park since its 1955 opening.

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“Disney’s Steam Trains” replaces the Opera House’s previous exhibit, “Drawing Disneyland: The Early Years,” which had been in place since May 2015, in celebration of the park’s Diamond Anniversary.