UNESCO: Historic Centre of Oaxaca and Archaeological Site of Monte Alban - Declares this a World Heritage site. Anthroarcheart: Monte Alban - Gallery of medium-resolution photographs; sells high-resolution images. Celerina's Rugs: The Ruins at Monte Alban - Includes site plan, brief historical introduction, and photographs. Monte Alban - Photographs taken in 1999 by Angus McIntyre . Monte Alban and its Zenith Tube - Photographs of this "alignment" possibly used for astronomical observations. My visit to Monte Alban - photo gallery, needs URL adjustment. Wikipedia - Monte Albán - Encyclopedic entry for this Zapotec and Mixtec site.