The Airavateswarar temple in Kumbakonam is known for its beautiful and intricate architecture. The temple was built in the 12th century by the Chola king Rajaraja Chola II, and later expanded by his successor, Kulottunga Chola III. Some of the notable architectural features of the temple are:
Gopurams: The temple has several gopurams or towers, which are adorned with intricate carvings of gods, goddesses, and mythological creatures. The main gopuram of the temple is the Rajagopuram, which is over 170 feet tall and has 11 tiers.
Mandapams: The temple has several mandapams or halls, which are used for various rituals and ceremonies. The most famous mandapam in the temple is the Maha Mandapam, which has 32 pillars and is adorned with beautiful carvings.
Sculptures: The temple is known for its exquisite sculptures, which depict scenes from Hindu mythology. The sculptures are made of stone and are highly detailed and intricate.

Vimana: The vimana or the tower above the sanctum sanctorum of the temple is made of granite and is adorned with beautiful carvings of deities.
Courtyards: The temple has several courtyards or prakarams, which are surrounded by pillared corridors. The corridors are adorned with beautiful carvings of deities, mythological creatures, and scenes from Hindu mythology.
Overall, the Airavateswarar temple is a fine example of Dravidian architecture and is considered one of the most beautiful temples in South India.