This Guy May Have Built the Most Insane Mountain Bike Track Ever

A hundred years ago, prospectors first made it up to the Retallack area to comb the earth for shiny things in the ground. Nowadays, a new kind of prospector digs around in the dirt looking for a different sort of thrill. Mountain biker Graham Agassiz and crew put their heart and soul into building the most epic downhill trail they could dream up, and then absolutely shred it to pieces.