Demolition Derby made its muddy mark The Demolition Derby made its' muddy mark over at the Wabash Valley Fairgrounds on Saturday evening. Posted: Jul 19, 2021 12:19 AM Posted By: Kit Hanley TERRE HAUTE, Ind. (WTHI) - The Demolition Derby made its' muddy mark over at the Wabash Valley Fairgrounds on Saturday night. The Vigo County Fair went out with a bang-with the Demo Derby serving as the final hoorah. The night's line-up included the Police and Fire-Fighter Derby, Powder Puff cars for the girls, and mini cars for the youth. After not having the event last year due to the pandemic, the enormous crowd roared with excitement to enjoy watching things get destroyed.