Antoine Tower is a tower belonging to the medieval city walls of Coimbra, and consists of four floors connected to each other by a narrow spiral staircase, and its name is due to the fact that the poet Antonio Nobre lived in it at the end of the nineteenth century, and used it as an inspiration for some The poems, which are part of his most famous works, the tower underwent a major restoration at the beginning of the sixteenth century, but its appearance has remained virtually unchanged to this day.