DOSWELL, VA – JULY 14: Patrons ride the "Intimidator 305" roller coaster at Kings Dominion Amusement Park in Doswell, VA on July 14, 2011. It's 305 feet at the highest... Amusement parks around the ...

In this edition of "A World of Difference," Korey Kiepert, owner and engineer with The Gravity Group, goes through the 8 main types of roller coasters and breaks down how they work as well as the ...

(WHTM) — Roller coasters are getting taller, faster, and newer every year. It may look like it can be unsafe. But, in fact, coasters are some of the safest machines in the world. Fun fact: The author ...