Tharangambadi Maritime Museum (Van Theylingen House)

A group of restored 18th-century Danish colonial mansions lining King Street inside the walled town of Tranquebar, including Rehling's House and the seafront Bungalow on the Beach, which originally served as the Danish-era courthouse and collector's residence. They showcase a fusion of European and Tamil coastal architecture and are the best-preserved civic remnants of Denmark's Indian outpost. Several are now conserved as heritage hotels, anchoring Tranquebar's rare surviving Danish colonial townscape.

Consecrated in 1718 by pioneering Danish missionary Bartholomaeus Ziegenbalg, one of India's oldest Protestant churches, with Ziegenbalg's grave on site.

One of the earliest Danish Protestant churches in India (built 1701), a landmark of the historic Tranquebar Mission.

A shore Shiva temple built in 1306 by the Pandya king Maravarman Kulasekara Pandyan I, standing by the sea just north of Fort Dansborg.

Danish fort begun in 1620 by admiral Ove Gjedde, the second-largest Danish fort ever built; now an ASI museum displaying Danish colonial and Nayak-era artefacts.

An archaeological site where in early 2006 a polished Neolithic stone celt engraved with four signs resembling the Indus script was discovered by a local schoolteacher. Epigraphist Iravatham Mahadevan saw it as strong evidence that Neolithic Tamil Nadu and the Indus Valley people may have shared a Dravidian language. Later ASI excavations yielded Megalithic/Iron Age pottery, urns and bowls dated between roughly 300 BCE and 100 CE.

A Hanuman temple about 5 km from Thirukkadaiyur noted for an unusual idol of Anjaneya depicted with three eyes and ten arms, a rare iconographic form. It draws devotees particularly for special Saturday worship. Its distinctive murti sets it apart among the many Chola-delta shrines and it is listed among the district's places of interest.

Shiva temple near Poompuhar that is the Ketu shrine of the nine Navagraha temples, drawing pilgrims performing Ketu-dosha remedies.

The Bay of Bengal beach at Poompuhar, near the mouth of the Kaveri and the site of the ancient Chola port of Kaveripoompattinam.

The modern coastal settlement associated with ancient Kaveripoompattinam. Archaeological, museum and shoreline stops are dispersed.

Ancient Shiva temple at Poompuhar associated with the historic Chola port and Sangam-era Kaveripoompattinam; the wider site has also yielded Buddhist vihara remains.

A Chola-period Shiva temple in the coastal village of Tiruchaikadu (Sayavanam) near Kaveripoompattinam. It is the 63rd Devaram Paadal Petra Sthalam and the 9th on the north bank of the Cauvery, glorified in the Thevaram hymns. It belongs to the group of shrines near the Cauvery mouth that includes Thalachangadu, Pallavaneswaram at Poompuhar and Thiruvenkadu.