The first thing to do when you travel to kanchipuram is to visit its temple for which the city is known and don’t forget to take blessings from temple elephants which is a tradition in tamil nadu. You can also visit old dutch settelment in sardas you can visit silk factories to see  how traditional kanjivaram saris are made by skilled craftsman and if you like saris you can directly buy from those factories. If you are an animal lover you can visit crocodile farm, Vedanthangal and Arignar Anna Zoological Park. If you have kids, you can take them to Kishkinta theme park . And for sports and adventure freaks kanchipuram has Mudaliarkuppam and Muttukadu water sports facility And if you are fascinated by the culture and traditions of tamil nadu you can visit .Kanchi Kudil or shakuntala Jagannathan Museum of Folk Art.