To protect their territories beyond the Jordan, the Crusaders decided to fortify Kerak, enveloping the existing town behind walls in the mid-12C, yet Saladin still conquered the fortress in 1188, as did Baibars in the following century; both changed its appearance. Today the structure shows superficial damage but remains impressive, retaining fine vestiges below ground level and its imposing glacis at the foot of the southeast walls. Visitors should note that it's worth bringing a torch.