San Xavier Mission Complex
San Xavier Mission Complex is an archaeological site that includes the San Xavier de Horcasitas, the San Ildefonso and the Candelaria Missions.
1755
Nuestra Señora de la Purísima Concepción de Acuña
Oldest mission site yet discovered in Spanish Texas, the oldest European site yet discovered in East Texas and the oldest site yet discovered known to bear the name Tejas.