Bhojeshwar upazila of Naria upazila has the second largest Shivling in the subcontinent. If you want to see the Shivling made of Kasti stone, you have to take a bus from Shariatpur.
Other places of interest in the district are the ancient Fatehganjpur fort, the lake of Mahishar, the Burir Hat mosque, the Bilas Khan mosque, the Rudrakar field and so on.