The Salinas Pueblo Missions is a complex of three Spanish missions located near Mountaineer, NM.. Conquered by the Spanish Conquistador Juan Oñate in the late 1500's, the mission construction began in the early 1600's. Of the three mission Churches: Quivira, Abo, and Gran Quivira, the Gran Quivira once served as the headquarters for the Spanish Inquisition in New Mexico,.