Brookfield Zoo celebrates 100th anniversary

Let the lions roar, and the dolphins leap. Brookfield Zoo turns 100 years old. It was on this date in 1922 when the groundbreaking ceremony was held at the suburban spot that's evolved into a world renowned conservation organization.

Brookfield Zoo offering free tickets to kids August 1-3

The zoo has welcomed several new animals this year, including an addax (African antelope) calf born on July 2; a South American tapir calf born on May 22; Banana, a 3-year-old pygmy hippo; and Fisher, a 6-month-old gray seal.