How Circuit of the America's rivals the most dangerous race tracks in the world

Less than ten years ago Circuit of the Americas was built as the first US racetrack specifically for Formula 1. Since then it has hosted everything from international endurance races to the first ever IndyCar Classic. Despite being such a new track it's considered one of the world’s most challenging circuits around. Colton Herta, winner of 2019’s IndyCar Classic and youngest IndyCar winner ever, takes us turn by turn through all 20 of COTA’s corners.