Due to its diverse cultures and settlers throughout its history, Lorca retains several archaeological sites such as the Roman milestone, and the Espolón and the Alphonsina towers, among its historic remains. Another key site is the Porch of San Antonio, which once formed part of the old city walls.
The town’s monumental architecture includes churches and convents from various eras and in an array of styles and palaces and mansions in the Baroque style, such as the palaces of Guevara and the Counts of San Julián Palace and the Mula-family House.