The remains of the Roman siegeworks of Masada have been preserved in the desert. The main fort was located on the western side of Masada, opposite the northern palace. One of the roles was to provide a location of troops close to the siege ramp that was being constructed.
The siege wall can be seen in front of the fort heading for the edge of the wadi.
One of the current issues facing the forts is that increased visitor numbers threaten their preservation.
Gwyn Davies. “Under Siege: The Roman Field Works at Masada.” Bulletin of the American Schools of Oriental Research, no. 362, 2011, pp. 65–83. JSTOR, www.jstor.org/stable/10.5615/bullamerschoorie.362.0065.