climb Huayna Picchu (gate open from 0700-1300), also Temple of the Moon
Pisac ruins: 2hr round trip hike; north from the plaza past the left side of the church; you'll come to a steep trail with great views of the village, river, and surrounding mountains.
Markets: Sundays (big), Tuesdays, Thursdays
Tambo Machay (between Pisac and Cusco), a site known for its Inca fountain; return along the road, visiting Incan sites like the labyrinths of Q'enko and the magnificent fortress of Sacsayhuaman, with memorable views of Cuzco. (Six miles.)