you can't miss it!
there is every thing in esfahan . a lot of nice places to visit like golha garden , birds garden ,naqshe jahan squre ,kuh sofe park,lots of historical bridges like 33 pol , pol khajoo, pol shahrestan, lots of relaxing places around nice zende rud river like bostan saadi and monar jonban is nic too and lot of other historical places to see.
also foods & restaurants are nice and meals are delicious like berunee.
also hotels are good and cheap
and most important is that people are nice but this is sth yourself should come visit and decide.but to be honst public transportation is not good enough.
but after all you will not be ashamed of visiting this eye catching city .