Most of them were build of stones and bricks and are in ruins now. Besides, there are more than 500 tanks, vaults, earthen forts and castles belonging to the Ahom, Manipuri, Jaintia Shan and Kachari kings in this sub-Division. Itinerary is famous for its sprawling tea gardens. It is the nerve centre of tea industry. It has the world reknowned Teklai Experimental Centre.
Research is carried out to find new varieties of tea and also therapeutic effected of green tea.
Regional Research Laboratory which is situated here conducts investigation on plants, herbs and seil. There are also other organisations such as Assam Agricultural University, Technical School etc. From Jorhat, one may visit majuli, the largest island on the Brahmaputna. In Majuli, there are numerous satras or monasteries. 60 kms aways from Jorhat, lies Nambar Foprest reserve which is famous for being a rejuvenating hot spring.