Brihadeshwara Temple & Fort  built by great Chola king in the 10th century it is an outstanding example of Chola architecture and is listed in world heritage. On the top of the apex of 63 metres high, a dome is said to be constructed from a single piece of granite, weighing an estimated 81 tones. The dome was hauled into place along a 6 km earthwork ramp in a manner similar to the one used by the Egyptian Pyramids. The temple has been the sense of continuous worship for over thousand years. Only Hindus are allowed inside.

Thanjavur Palace & Museum the palace near the temple is a vast building of masonry built by the Nayakas around 1550 and partly by the Maratha. Two of the palace towers, the Armoury and the observation tower are visible from all parts of the city. The palace houses an art gallery, a library and a hall of music. The art gallery occupies the Nayak Durbar Hall. It has a superb collection of Chola bronze statues from the 9th to 12th centuries.
The Saraswati mahal Library is next door to the gallery. Over 30,000 Indian and European manuscripts written on palm leaves and paper are preserved in the Saraswati Mahal Library.