The Grand Canyon Diorama on the Disneyland Railroad reopened Sept. 21, 2026, with new sunrise lighting and quieter thunder. It follows Primeval World, which reopened in August. The Disneyland Railroads big scenic finale is lit up again. The Grand Canyon Diorama reopened on Sept. 21 after a refurbishment, per WDW News Today . Its the stretch of the train ride between the Tomorrowland and Main...
