Iglesia de Santa Marta - Martos
The church stands on the ruins of an Arab mosque as a result of the conquest of the town from the Islamic forces by Fernando III of Castile. The church is consecrated to the patron saint of the city, Santa Marta, and according to tradition, the remains of the Carvajal Brothers, Knights of the Order of Calatrava, who were executed in Martos in 1312, are buried there.