The Texas Hill Country is not as famous as New England for fall color, but we do have it. Like an autumn colors in Lost Maples State Natural Area near San Antonio. http://texaslesstraveled.com/autumnroadtrips.htm
Enchanted rock is a huge exposed granite batholith in a region full of igneous exposures. The main activity at enchanted rock is walking to the peak but there is a lot of climbing and hiking opportunities within the park.
#TheFlashList | Longhorn Caverns | Burnet, TX | The cavern was used as a Confederate stronghold where gunpowder was manufactured in secret during the Civil War. Details at: http://www.theflashlist.com/assets/venue/us/tx/cntrl/burnet/living/recreation/cave/longhorncaverns/dallas.html