Roller coaster riders in Crandon, Wis., were stuck upside down for hours : NPR
The History of Roller Coasters - Owlcation
Roller coaster - Wikipedia
Playland's world-renowned wooden roller-coaster turns 65 | CBC News
Roller Coaster History | HowStuffWorks
Roller coaster - Wikipedia
Roller coaster - Wikipedia
16th June 1884: America's first roller coaster, the Switchback Railway, opened at Coney Island - YouTube
History Of The Roller Coaster
Opening Day: First Roller Coaster in the USA June 16, 1884 | Western Reserve Historical Society
Playland's iconic 'clickety-clack' wooden roller coaster turns 65 - BC | Globalnews.ca
Early Roller Coasters - 1870 - 1886 LaMarcus Thompson did NOT invent or build the first roller coaster in America
Ups and downs: The history of roller coasters
14 Fun Facts About Roller Coasters | Innovation| Smithsonian Magazine
The History of Roller Coasters | Sutori
Civil Engineering Almanac – First amusement park roller coaster in the US | ASCE
The World's First Roller Coasters - WorldAtlas
Watch Engineer Explains Every Roller Coaster For Every Thrill | A World of Difference | WIRED
Roller coaster | Definition, History, & Facts | Britannica
This Month in Physics History
This Day in History: First roller coaster in America opens - TownTalk Radio
