The Thrills and Chills of Roller Coaster Rides - ppt video online download
Interesting facts about roller coasters | Just Fun Facts
Knott's Berry Farm on Twitter: "In our 100 year history, #KnottsBerryFarm has been home to record-breaking and classic roller coasters! Learn all about the expansive coaster history in this week's Berry Blog
roller coaster | Definition, History, & Facts | Britannica
40 Thrilling Facts About Roller Coasters
10 quick roller coaster facts to celebrate national roller coaster day - ABC7 Chicago