San Marcos Discovery Center 
430 Riverside Dr.
San Marcos, TX 78666
512-393-8447
http://www.toursanmarcos.com/attractions/outdoors/discovery-center.html
Nature Center: Nature Education, Walk
The San Marcos Discovery Center has a variety of indoor animal exhibits and an outdoor Wildscape of native plants and animals found in the San Marcos area. Our Wildscape features two ponds, many theme gardens and serves as an outdoor learning center for all ages.