Whatâs that?: Jurassic Empire drive-thru attraction open at National Western Complex What's That?: Jurassic Empire drive-thru experience and last updated 2021-05-28 13:55:50-04 Editor's Note: 'Our Colorado' helps us all navigate the challenges related to growth while celebrating life in the state we love. To comment on this or other Our Colorado stories, email us at OurCO@TheDenverChannel.com. See more 'Our Colorado' stories here. DENVER â This Memorial Day weekend, the National Western Complex will host a pop-up drive-thru dinosaur attraction. The event is called Jurassic Empire and features animatronic dinosaurs. Families can remain in their cars while driving by 60 different dinosaurs.