Mohasthangarh is one of the main attractions in north Bengal. It was the capital of Kingdom of the Mourjo, the Gupta and the Sen Dynasty. 
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This is the ancient archeological and historical which was, established in 2500 BC. It is the oldest archaeological site of Bangladesh is on the western bank of river Karatoa 18 km. north of Bogra town beside Bogra-Rangpur Road. The spectacular site is an imposing landmark in the area having a fortified, oblong enclosure measuring 5000 ft. by 4500 ft. with an average height of 15 ft. from the surrounding paddy fields. Beyond the fortified area, other ancient ruins fan out within a semicircle of about five miles radius. Several isolated mounds, the local names of which are Govinda Bhita Temple, Khodai Pathar Mound, Mankalir Kunda, Parasuramer Bedi, Jiyat Kunda etc. surround the fortified city. 
This 3rd century archaeological site is still held to be of great sanctity by the Hindus. Every year (mid-April) and once in every 12 years (December) thousands of Hindu devotees join the bathing ceremony on the bank of river Karatoa. Mahasthangarh site museum
A visit to Mahasthangarh site museum will open up for you wide variety of antiquities, ranging from terracotta objects to gold ornaments and coins recovered from the site. Now it is one of the major tourist spots maintained by Bangladesh archeological Department.
