2026 is Colorado’s 150th anniversary, also known as its sesquicentennial! You’re invited to explore a part of the state famous for its natural history just 20 minutes west of Denver. Today is free entry to our Exhibit Hall and $5 off bus tours. Have a fun and educational outdoor experience that is great for all ages and see the place where Colorado’s state fossil, the Stegosaurus, was uncovered 150 years ago.
STEGO STAMPEDE FUN RUN OVER DINOSAUR RIDGE!
September 27, 2026 All Day Event Dinosaur Discovery Day Family Events SCFD Free Day




