Google has brought out a handful of new 3D cities in the past few days. Today saw the release of Seattle and Pittsburgh, both of which now have hundreds of full-color buildings and look excellent. Here is a shot from Pittsburgh.
A few days ago, Google unveiled a new layer for Google Earth that has over 5700 hundred buildings from ancient Rome rebuilt in 3D. It’s a slow-loading collection, but it is amazing. Here is a short video introducing the new layer: