Science

Austin Nature & Science Center Dig in the Dino Pit, follow nature trails, and learn about science and nature interactively at this kid-centric venue. 301 Nature Center Dr., Austin, TX; +1 512 327-8181.

George Observatory Glimpse stars and planets as you peer through one of the nation's largest public telescopes, then study fragments of notable meteorites to gear up for a simulated space mission. Open to the public Saturday evenings. Brazos Bend State Park, 21901 FM 762, Needville, TX; +1 281 242 3055. Fee.

Houston Museum of Natural Science Soar into space at the planetarium, dodge hundreds of live butterflies in a re-created rainforest habitat, and browse brilliant gemstones in the Gem Vault. One Hermann Circle Dr., Houston, TX; +1 713 639 4629. Fee.

McDonald Observatory Tour this state-of-the-art research facility of four telescopes operated in the Davis Mts. by the University of Texas; attend an evening "star party" to view and identify stars and constellations through telescopes; learn more about astronomy, telescopes, and the observatory's ongoing research at the visitor center. 3640 Dark Sky Dr., Fort Davis, TX; +1 877 984 7827. Fee.

Space Center Houston Tour NASA headquarters, test your skills on simulators, check out retired spacecraft, get a "feel" for living in space through presentations and exhibits, and watch astronauts train for space missions. 1601 NASA Pkwy., Houston, TX; +1 281 244 2100. Fee.

Witte Museum Experiment with sound waves and waterwheels at the H-E-B Science Treehouse; learn about ancient civilizations; even check out an Egyptian mummy and hear what scientists have learned from it. 3801 Broadway, San Antonio, TX; +1 210 357 1900. Fee.