Click on this link to view in 3D on a laptopPC: br You'll need red & cyangreenyellow 3D glasses or a 3D TVmonitor to view this roller coaster video properly. You can adjust the 3D settings or turn them off by clicking the settings button (gearcog icon) in the bottom-right corner of the video screen. This video also works with Google Cardboard and the DODOcase VR Kit. We also posted an on-ride POV video in 2D for those that cannot view this video on their phone or tablet. Here's the link to the 2D video we posted: ... br br Designed by William Cobb, this out & back wooden coaster was built in-house by the Frontier Construction Company. The coaster, built in 1978, was given the name Tornado after a real tornado hit Adventureland before its debut season in July 1974 forcing the opening of the park to be delayed until August of that year. br This Adventureland is located near Des Moines in Altoona, Iowa.