A UNESCO World Heritage Site in Tamil Nadu is the:

Great Living Chola Temples
Western Ghats
Kaziranga National Park
Sun Temple, Konark

The correct answer is: Great Living Chola Temples.

The Great Living Chola Temples are a group of three Hindu temples built in the 11th and 12th centuries by the Chola dynasty of southern India. The temples are located in the Tamil Nadu state of India, and are dedicated to the Hindu deities Shiva, Vishnu, and Brahma. The temples are considered to be masterpieces of Chola architecture, and are UNESCO World Heritage Sites.

The temples are:

  • Brihadeeswarar Temple, Thanjavur
  • Brihadeeswarar Temple, Gangaikonda Cholapuram
  • Airavatesvara Temple, Darasuram

The Brihadeeswarar Temple in Thanjavur is the largest temple in the complex, and is dedicated to the Hindu god Shiva. The temple is built in the Dravidian style of architecture, and is known for its massive size and intricate sculptures. The temple is also home to a 13-story gopuram, or gateway tower, which is one of the tallest in India.

The Brihadeeswarar Temple in Gangaikonda Cholapuram is dedicated to the Hindu god Vishnu. The temple is smaller than the Brihadeeswarar Temple in Thanjavur, but is still considered to be a masterpiece of Chola architecture. The temple is known for its intricate sculptures and its beautiful gardens.

The Airavatesvara Temple in Darasuram is dedicated to the Hindu god Brahma. The temple is smaller than the other two temples in the complex, but is still considered to be a masterpiece of Chola architecture. The temple is known for its intricate sculptures and its beautiful gardens.

The Great Living Chola Temples are a UNESCO World Heritage Site because of their outstanding universal value. The temples are masterpieces of Chola architecture, and are an important part of the history and culture of India.