Bellco Theatre is one of Denver's biggest indoor venues, sitting inside the Colorado Convention Center and holding close to 5,000 people. The scale is real - this is where mid-tier touring acts graduate to before Red Rocks, and where major names play when the weather or season isn't on their side. The floor can be general admission or reserved depending on the show, so check before you go. Sound is solid for a room this size. Parking and light rail access make it easier than most. Not an intimate night out, but if you want to see a big act in an enclosed space without losing the energy of a real crowd, Bellco delivers. Best for fans who want the full concert experience, indoors, year-round.