Jageshwar is a temple complex consisting of some 124 temples. It is situated on the banks of a river, in the valley, amidst tall pines; though the surrounding have been rendered dirty by mankind, and irregularly spaced and ill maintained structures completely ruining the beauty of the temple environs, which otherwise would have been a well located and a scenic view.

Anyway, on entering the main temple, a poojari is likely to accompany you and show the various temples. The time I was there was December and the flooring really cold. But still we decided to do the parikrama (A process wherein one takes a circle around a temple), but half way, our feet went really numb and we rushed back.
The sculptures are really good but no info is available as to they date to which century. The minuteness in those sculptures is remarkable. Most of the Gods here are the various forms of Lord Shiva. The Naughty Little Lord Ganesha is always present in any temple you visit.

There is a temple of Karna a little above the temples here. You have to walk a short distance to reach here.