 So grab your crew and enjoy all the sports action you can handle every day from 11 a.m. to 10 p.m. Must be 21 or older. Washington, D.C. only. Please gamble responsibly. Gambling problem? Call 1-800-GAMBLER. All right, so there we were, cruising through the new open-air zoo, when I realized that the park was closing in like 15 minutes. That's when the afternoon took an exciting turn.