2 Season
20 Episode
Mega Machines - Season 1 Episode 5 World's Wildest Roller Coaster (2020)
The Helix roller coaster is one of the greatest rides ever built, featuring state-of-the-art engineering to rocket thrill-seekers to speeds of over 60 miles per hour.
- Country :
- Genre : Documentary
- Studio : Science
- Director :
- Cast :
