Castle of Cervera del Maestre Monument · Cervera del Maestre, El Baix Maestrat, Castellón A 12th-century fortress of Islamic origin raised as an Almohad frontier castle, which after the Christian conquest passed to the orders of San Juan del Hospital and of Montesa; today it preserves ruined stretches of wall and the keep. siglo XII Photo: Juan Emilio Prades Bel (CC BY-SA 4.0) What to see and do in Cervera del Maestre