The center is 26 acres (0.11 km2) and focuses on educational outreach and outdoor activities in an urban setting.
[1][2] As of 2014, the OAC contains approximately 2 miles (3.2 km) of trails, a ropes course, a nature-themed playground, a tree house classroom, a 650-US-gallon (2,500 L; 540 imp gal) freshwater aquarium, and a multi-purpose building.
Atlanta Public Schools leased 8 acres (0.032 km2) to the OAC for $1 a year, and the Natural Science for Youth Foundation helped fund, organize and staff the original center.
The Atlanta Bureau of Parks and Recreation later purchased the property from the school system and assumed maintenance of the parkland.
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