Considering the Hostal Cristina in Cuzco?
A VT member wrote the following comment about visiting Cuzco:
Qorikancha Museum by flynboxes
Local Inca history museum. You will see most of the tour groups here just like you will in P Armas. It's the place to see what remains of the acient Inca civilizations. The visitor pass that you can purchase to get into the sacred valley etc will get you in here.