This article is part of our series, The Evolution of Theme Park Design, celebrating the milestones and innovations that have shaped the world of themed entertainment. Explore the full series on our blog.

This year marks a remarkable milestone: seventy years since Disneyland opened its gates and changed the world of entertainment forever. On 17 July 1955, what was once a stretch of Anaheim orange groves became the birthplace of a new kind of storytelling one that didn’t just invite guests to watch, but to step inside the story itself.