One of the first “roller-coaster” rides in the U.S. was actually a short coal railway in Pennsylvania that hauled coal downhill between mines and used mules to bring the empty cars back up the hill.

A TikTok creator known as "paper_roller_coasters" has skyrocketed to internet fame, amassing over 8 million views with his meticulously crafted Paper Roller Coaster kits. The intricate designs, built ...