Of Tamil Nadu's five Shiva elemental temples, Sri Jambukeshwara is dedicated to Shiva, Parvati and the medium of water. The liquid theme is realised in the central shrine (closed to non-Hindus), whose Shiva lingam reputedly issues a nonstop trickle of water. In the north part of the complex is a shrine dedicated to Akilandeswari, Jambukeshwara's consort. A good time to visit is around noon, when the temple elephant is involved in a procession between the two shrines.
If you're taking bus 1, ask for ‘Tiruvanakoil’; the temple is 350m east of the main road.