1. Marina Beach: One of the world's longest beaches, Marina Beach is a popular destination for both locals and tourists. You may enjoy the sea breeze, go for a walk, or eat some street cuisine.

2. Kapaleeswarar Temple: Located in the centre of the city, this ancient temple dedicated to Lord Shiva is a remarkable example of Dravidian architecture.

3. Mahabalipuram:  is a UNESCO World Heritage Site located just outside of Chennai and is known for its ancient rock-cut temples and sculptures.

4. Guindy National Park:  Which covers an area of 2.82 square kilometers, is a paradise for environment lovers and animal aficionados.

5. Dakshina Chitra: A living museum of art, architecture, crafts, and performing arts, DakshinaChitra celebrates South India's rich cultural legacy.

6. St. Thomas Mount: This holy location is thought to be where St. Thomas, one of Jesus Christ's twelve apostles, was killed.

7. Birla Planetarium: Featuring programs on astronomy and space exploration, the Birla Planetarium is an informative and enjoyable experience for people of all ages.

8. Elliot's Beach: Located in southern Chennai, Elliot's Beach is a less busy and calmer alternative to Marina Beach. It's a terrific place to unwind and soak up the rays.

9. Valluvar Kottam: A renowned landmark in Chennai, Valluvar Kottam is a monument dedicated to the ancient Tamil poet and philosopher Thiruvalluvar. 

10. Cholamandal Artists' Village: Cholamandal Artists' Village is a community of artists who live and work together, creating a diverse range of artworks that reflect South India's distinct culture.