A sacred place of prayer, Sukkiran Temple will give you a better understanding of the area's culture. Take a few moments to learn about the significance of this site to the local people.
When you've spent a bit of time at this place of worship in Thiruvidaimarudur, why not check out Suryanar Temple, Mercury Temple, and Kanchanur Temple? They're close to Agniswarar Temple and also popular with many travelers.