Now through August 1, you can Beat the Heat at Zoo Atlanta! From the Zoo Atlanta website:
Do the Zoo in the morning at a comfortably cool value! Arrive at Zoo Atlanta before 10:30 a.m. on weekends through Sunday, August 1, and enjoy $5 OFF general admission per guest. A family of four saves $20 on a Zoo visit! Mention “BEAT THE HEAT” at Zoo Atlanta Admissions to redeem your discount.
NOTE: Offer valid only on Saturdays and Sundays through August 1, 2010; not valid with any other offer, discount or promotion. Offer not valid online.