Highlights
- Bhu Varaha Swamy Temple, Srimushnam — Dravidian-style Vishnu temple dedicated to Varaha, one of the eight self-manifested (Swayambu) Kshetras of Vishnu, with Chola origins and later Nayak-era expansions including an ornate chariot-shaped mandapam.
- Veerateeswarar Temple, Thiruvathigai — Shiva Paadal Petra Sthalam near Panruti, birthplace of the Saiva saint Appar, praised in the Tevaram hymns.
- Virudhagiriswarar Temple, Virudhachalam — Ancient Shiva temple (Pazhamalai Nadhar) on the banks of the Manimutharu river, part of a series built by Chola queen Sembiyan Mahadevi, with Chola-era inscriptions and a reputedly ancient vanni tree.
- Neyveli Township & Lignite Mines — Planned industrial township of the Neyveli Lignite Corporation (formed 1956), built around India's major open-cast lignite mines, a landmark of independent India's industrial development.

