One of the oldest fort of Haryana was situated at Hansi. Though most of its walls and structures have now fallen, still some remains of that historical fort are surviving. This fort is more than 1,000 years old and the ancient fort was surviving till 1857, when its greater part was demolished. This building rests on 36 masonry pillars and arches with carved roofs. Now a huge 50 feet high mound is representing the ancient fort, all structures are on the top of the mound. It is a protect monument by Archeological Survey of India.