There are many great places to see Christmas lights in Denver, Colorado. One of the most popular spots is the Denver Zoo, which has an annual Zoo Lights event featuring millions of lights. Other places to check out include the Denver Botanic Gardens, the City and County Building, and the Denver Christkindl Market. You can also drive around neighborhoods like Stapleton and Park Hill to see homes decorated with festive lights. No matter where you choose to go, there are plenty of ways to get in the holiday spirit in Denver.