3D Rome Update
As mention in the last post, I'm looking at a 3D version of Rome circ 320 CE.
What you have to do is "click on any of [the yellow icons] to raise the bubble; at the lower left-hand side of the bubble there are download links. Click on those to download the ancient terrain and buildings. The building KMZs will appear in the usual Temporary Places folder" (as quoted from the comments at Explore Ancient Rome With Google Earth), but it's taking a l-o-n-g time to download the terrain and models:
