- Chola period planting and rare species found in Jawadumalai
- There is a large Vediyappan Temple in the hilltop town of Melappattu. The sanctum deity of the temple is a 10th-century Chola-era stone pillar.
- Archaeological Survey of Sri Lanka was discovered by the Archaeological Survey at Edathanur in Thundarampattu district in Thiruvannamalai district.