Highlights
- Nellaiappar Temple — A vast twin Shiva (Nellaiappar) and Parvati (Kanthimathi) temple beside the Thamirabarani, famed for its musical stone pillars and the Chain (Mani) Mandapam linking the two shrines.
- Koonthankulam Bird Sanctuary — A Ramsar-listed sanctuary in Nanguneri taluk that is the largest breeding reserve for water birds in South India, protected by the local village community.
- Holy Trinity Cathedral, Palayamkottai — The 1826 CMS cathedral of the CSI Tirunelveli Diocese, locally called 'Oosi Gopuram', built by Rev. Rhenius and a landmark of the region's mission history.
- Iruttu Kadai Halwa Shop — The famed 'dark shop' halwa outlet opposite the Nellaiappar temple, established in 1900 and unchanged since, source of the wheat-ghee Tirunelveli halwa the city is known for.
- Uchishta Ganapathy Temple, Manimoortheeswaram — An ancient Ganesha temple on the Thamirabarani at Manimoortheeswaram, about 2 km from Tirunelveli Junction and claimed to be the largest Vinayagar temple in Asia. Over 1,000 years old, it enshrines the rare Uchishta Ganapathy form along with 31 other forms of Ganesha.
- Government Archaeological Museum, Palayamkottai — Tamil Nadu's 12th district museum, opened in 1992 at Palayamkottai, displaying bronzes, stone sculptures, hero stones, coins, palm-leaf manuscripts and prehistoric tools including finds from Adichanallur. Its galleries and dioramas showcase the region's tribal cultures and Tirunelveli folk arts.
