Thiruvarur is the biggest massive temple that i have ever seen. The temple complex covers about 33 acres, and is one of the largest in India.
The temple is huge in size and importance, with 9 Rajagopuras, 80 Vimanas, 12 tall walls, 13 mandaps, 15 wells of Theertha importance, 3 gardens, 3 prakaras, 365 Shiva Lingas representing the days of the year, shrines numbering above 100, 86 Vinayaka idols and temples within the temple numbering above 24.
To have a thorough look and worship all the shrines, it needs a full day for a devotee. While the shrines of other deities in temples small in size, here each one is big in size and importance.
The Thyagarajar Temple at Tiruvarur is famous for the ajapa thanam (dance without chanting), that is executed by the deity itself. Lord Thiagaraja is built with Maragatha Linga.
All the Navagraha planets are on straight line facing the Lord.
Lord Shiva had played 364 miracles (Tiruvilayadal) in Tiruvarur alone.
Tiruvarur is the only temple that has more number of Thevaram hymns-353, Ganasambandar 55, Tirunavukkarasar 208 and Sundarar 87 and Manickavasagar 3.
The Car (Rath) of Tiruvarur is biggest in size and beautiful.