Brihadeeswarar Temple aka Big temple at Thanjavur in Tamil Nadu. Built by Raja Raja Chola 1 and completed in 1010 AD. Temple turned 1000 years old. Government of India released a 1000 rupee coin with picture of Big temple in it to mark this achievement. The temple is a part of the UNESCO World Heritage Site known as the 'Great Living Chola Temples'
The temple stands amidst fortified walls that were probably added in the 16th century. The vimanam (temple tower) is 198 ft (60 m) high and is one of the tallest in the world. The Kumbam (the apex or the bulbous structure on the top) weighs around 80 tons.