International audienceHere are examined three buildings which the Arid Margins mission has discovered and documented. All three are attributed to the Roman Period. A square tower at al‐Qasṭal al‐Šamālī 1 could be a mausoleum. Vestiges at Qubbat ʿAbla 1 might also belong to a funerary tower. At Rasm Ǧdayyid the remains of a rectangular structure are perhaps those of a small temple (or chapel) of a rural sanctuary. Without excavations and in the face of the degree of destruction that the buildings have undergone those attributions remain working hypothesis.Trois édifices qui ont été retrouvés et relevés par la mission des Marges arides sont examinés ici. Ils sont tous les trois attribués à la période romaine. À al‐Qasṭal al‐Šamālī 1, un bâtim...