1. Mahabalipuram

Famous for its UNESCO World Heritage-listed monuments, Mahabalipuram boasts ancient rock-cut temples, including the Shore Temple and the Pancha Rathas. 

2. Pondicherry 

Although not technically part of Tamil Nadu, this union territory is close by and known for its French colonial influence. Auroville, Aurobindo Ashram, and the French Quarter are popular attractions. 

3. Rameswaram 

This island town is famous for the Ramanathaswamy Temple, which is one of the 12 Jyotirlinga temples in India. The town is also known for its scenic beauty and the Pamban Bridge. 

4. Kanyakumari 

The southernmost tip of India, Kanyakumari is known for its stunning sunrise and sunset views. Vivekananda Rock Memorial and Thiruvalluvar Statue are prominent landmarks. 

5. Udhagamandalam

A popular hill station, Ooty is known for its pleasant climate and scenic beauty. The Nilgiri Mountain Railway, Ooty Botanical Gardens, and Ooty Lake are major attractions. 

6. Coimbatore 

Known as the "Manchester of South India," Coimbatore is an industrial city with attractions like the Marudamalai Temple, Perur Pateeswarar Temple, and the VOC Park. 

7. Kodaikanal 

Another beautiful hill station, Kodaikanal is known for its serene lakes, lush greenery, and pleasant climate. Bryant Park, Coaker's Walk, and the Pillar Rocks are popular spots. 

8. Thanjavur 

Famous for the Brihadeeswarar Temple, a UNESCO World Heritage Site, Thanjavur also has the Maratha Palace and the Saraswathi Mahal Library. 

9. Madurai 

Known for the Meenakshi Amman Temple, Madurai is one of the oldest continuously inhabited cities in the world. The temple is a marvel of Dravidian architecture. 

10. Kanchipuram 

Renowned for its silk sarees and ancient temples, Kanchipuram is a significant pilgrimage site. The Kailasanathar Temple and Ekambareswarar Temple are must-visit landmarks.