Hidden Paintings Revealed at Ancient Temple of Angkor Wat. "New, digitally enhanced images reveal detailed murals at Angkor Wat showing elephants, deities, boats, orchestral ensembles and people riding horses — all invisible to the naked eye." [Via]
CyArk is a non-profit which makes three-dimensional scans of archaeological sites with lasers in effort to digitally preserve them. It currently has 27 projects, including Chichén Itzá, Angkor Wat, Anasazi Pueblos in Mesa Verde, Thebes, Rapa Nui and the Royal Tombs at Kasubi. There's quite a lot of material about Cyark online, including profiles Wired Science, a lecture by founder Ben Kacyra at Google as well as an article in Archaeology and an article by two CyArk employees in Professional Surveyor describing how they work.
Ancient observatories from space Satellite images of Angkor Wat, Chichen Itza, Chaco Canyon, Stonehenge, Teotihuacan, and others. The observers, observed. High res images available.
Angkor Wat guide. "Published in 1944 in Saigon, republished in 1948 and again in Paris in 1963, The Monuments of the Angkor Group by Maurice Glaize remains the most comprehensive of the guidebooks and the most easily accessible to a wide public, dedicated to one of the most fabled architectural ensembles in the world." Now online, updated, with maps and photos. (More Angkor Wat links in this previous post.) Via Plep.