Seminole Canyon State Historical Park
- A state park featuring ancient Indian rock art. Located just off Highway 90 between Comstock and the Pecos River.
- http://www.tpwd.state.tx.us/spdest/findadest/parks/seminole_canyon/

Amphibians and Reptiles in Val Verde County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/VALVE233.HTM