Denver is not short on ways to entertain, indulge and intrigue you, from cultural treasures at the stellar Denver Art Museum to a wealth of opportunities under the almost-always sunny or star-filled Colorado skies, including Coors Field, home of the Colorado Rockies, and Red Rocks Park and Amphitheatre, which is arguably one of the most acoustically perfect natural amphitheaters on the planet. There's also Union Station, where architecture, easy transportation, art, food, lodging, shopping and camaraderie combine to pique all the senses, and visitors can learn something about Denver history, too. For those visiting with kids, Elitch Gardens is a city-center combo theme park and water park that has been thrilling Colorado families for generations, while the U.S. Mint tour and visits to the exceptional History Colorado Center provide engaging learning opportunities for all ages. If the term "learning opportunities" sounds dull and pedantic, you're not hearing us: Everything on this list–and we mean everything–is cool, fun and interest-piquing. Visitors and locals alike will find the same double-hitter of fun and immersive engagement on a brewery tour in Denver's RiNo district with Aspire Tours, along with a taste of some of the best craft brews in the nation. We've culled our 10 Best list from the best of the best, so go out and discover what makes Denver so hot... and so cool.