Keselo fortress is a small medieval fortress above Omalo village in Tusheti dating back to the 18th century. Today, only three rectangular towers and fragments of the fence remain. The fortress was built by shale stone. The upper tower has four storeys and has different entrances on different floors, while the guards were placed on the last two floors. The middle tower has three storeys and two entrances, while the lower tower, similar to the upper one, has four floors with several entrances.