^^^ Most of them are built between 7th and 16th century. The Srirangam temple and some of the Mahabalipuram temple have existed for more than 2000 yrs.
I am going to this temple today (just 35kms from my house )
How can you miss these temples in kanchi?:
Kamatchi temple
Temple elephants (kamatchi temple)
The one on the right with the huge trunk killed his mahout recently and there is a baby elephant in that temple too..i have seen it running around the temple screaming many times (scaring the hell out of devotees )