Denver Coliseum Colorado Minerals Fossils & Gems Show 2026

Colorado Minerals, Fossils & Gems Show 2026 September 11–20, 2026 — Denver Coliseum, Denver, Colorado The Colorado Minerals, Fossils & Gems Show (CMFGS) returns to the Denver Coliseum from September 11 through September 20, 2026, bringing together an extraordinary selection of minerals, fossils, gemstones, jewelry and geological treasures from around the world. Location: Denver Coliseum 4600 N Humboldt St Denver, CO 80216 Denver, Colorado, USA Dates: September 11–20, 2026 Hours: Daily, 9:00 AM–6:00 PM Admission: FREE Parking: FREE FREE Dinosaur Exhibition A major attraction of the 2026 edition is the free dinosaur exhibition, featuring a spectacular 65-foot-long Diplodocus skeleton. Visitors will also be able to discover additional dinosaur skeletons, including Tyrannosaurus, Utahraptor, Spinosaurus, Carcharodontosaurus, Tarbosaurus and Deinonychus. The dinosaur exhibition is designed as a memorable experience for visitors of all ages and adds a major paleontological attraction to one of Denver’s major mineral, fossil, gem and jewelry events. Discover Minerals, Fossils, Gems & Jewelry Visitors can explore a broad selection of: Minerals and rare mineral specimens Fossils Dinosaur specimens Gemstones Fine and collectible jewelry Crystals Meteorites Beads and lapidary materials Geological specimens Collectible and decorative pieces The show welcomes collectors, families, students, museums, designers, jewelry enthusiasts, geologists, paleontology enthusiasts and anyone interested in the natural history of our planet. The CMFGS is promoted as one of the largest and most popular mineral, fossil, gem and jewelry shows in Denver. Official website: https://colorado.show Organizer: CMFGS — Colorado Minerals, Fossils & Gems Show