River Bend Nature Center offers the Ruby N. Priddy Nature Conservatory, the only conservatory housing only native species of butterflies as well as plant species native to the Rolling Plains and Cross Timbers regions of the Great Plains. Accessible paved trail through 15 acres of native river bottom woodland. Open Mon.-Fri., 8:30 a.m. - 4:30 p.m.; 10 a.m. - 4 p.m. Sat.; 12 p.m. - 4 p.m. Sun.