The permanent buildings were built for the 1936 Texas Centennial and are the largest collection of art deco buildings in the world. Dallas Museum of Natural History 3535 Grand Ave. Museum Off Parry Ave. Near White Rock Lake. The Dallas Zoo 650 South R.L. Thornton Frwy.
Summer night hikes, butterfly garden, native plants.
In Plano, north of Dallas 72-acre nature preserve. Just southeast of McKinney, north of Plano 287-acre sanctuary for native plants and animals. Nature trails, guided tours, museum classes. Now a neighborhood full of restaurants, shops and clubs.