the Disneyland Matterhorn Bobsleds, were the first tubular steel rollercoaster in the world, and they led to the invention of the monorail

Walt Disney had Vice President Nixon, to dedicate the launch of the monorail at the Matterhorn, it was the first monorail in North America

 https://disneyparks.disney.go.com/blog/2014/06/a-look-back-at-june-14-1959-grand-opening-of-the-disneyland-alweg-monorail-system-matterhorn-bobsleds-and-submarine-voyage-at-disneyland-park/

https://d23.com/23-moving-questions-with-bob-gurr/