You can visit the Intituto Americano de Arte del Cusco, Its located at the same building where you purchase your Boleto Turistico.

At this place there is a nice esculture exhibition from the best artists from Cusco such as, Mendivil, Merida, etc. Also you can find an awesome photography exhibition of Corpus Christy. With great photos abut this particular ceremony. For more information go to this site. to see more info about this photography exhibition.