Best Zoos & Aquariums in Denver for Kids & Families

Looking for the best zoos & aquariums in Denver for kids? As Mile High City where outdoors is a way of life, Denver offers animal encounters and conservation education that families won't find anywhere else. Whether you're visiting for the first time or looking for something new, we've rated every option for age-appropriateness, stroller access, and value so you can skip the guesswork.

Timing matters at zoos — animals are most active in the morning. Check feeding schedules and keeper talks before you go. Many zoos offer behind-the-scenes encounters worth the splurge. In Denver, expect 300 days of sunshine, dry air, and mountain weather that changes fast — always bring a jacket. Pro tip: Altitude affects kids more than adults. Hydrate constantly, ease into outdoor activities, and don't be surprised if everyone is tired the first day.

Below you'll find our curated list of zoos & aquariums in Denver, CO — each with detailed age ratings (infants through teens), cost estimates for a family of four, and the practical parent details that matter: parking, stroller access, nursing rooms, and honest reviews of what makes each spot worth your time.