While Brahna finishes using this park's showers--our site at the nearby Amistad National Recreation Area offers no such conveniences--I figured I'd use the free Wi-Fi here to put up at least a picture from where we are right now, before she writes a more thorough post about our time in Texas so far.
The canyon we toured today is host to some of the oldest cave drawings, or pictographs, in the Americas. They are painted with a variety of colors and are mostly unintelligible. The figures with a multitude of different animal parts--wings, a bear's head, antlers--are supposedly the product of peyote- and mescalin-infused visions and dreams.
The painting in the photograph below may be of some kind of ceremony. From the central figure, around which the others are encircled, flows a wavy line that our tour guide suggested may indicate some sort of travel, either into or out of the spirit world. The drawings are about 4,000 years old.