Photo: JJ Harrison / CC BY-SA 3.0
Colorado Minerals, Fossils & Gems Show
- When
- Sep 11 - Sep 20 · 9:00 AM
- Where
- Denver Coliseum, Denver
- Price
- Free
For ten days every September, the Denver Coliseum becomes one of the largest mineral and fossil showcases in the country, and it costs nothing to walk in. The 2026 show runs September 11 to 20 across more than 100,000 square feet of specimens.
More than 300 dealers sell everything from museum-grade crystals to dinosaur bone, with free parking on site. Hours run 9 AM to 6 PM daily.
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