The Houston Arboretum and Nature Center, a lush 155-acre nature preserve, is one of Houston's greatest natural treasures.  Located in Memorial Park, the Arboretum is home to more than 75 species of native trees, 160 species of birds, 16 species of turtles, 10 species of frogs and 33 kinds of butterflies.  Visitors can explore and enjoy five miles of walking trails to experience nature at its most dramatic and in exquisite detail.  The Discovery Room provides fun, hands-on activities and exhibits to explore nature up close.