GoogleEarth's Best of 3d-layer : Rome , Italy all cities Colosseum   This page needs the GoogleEarth-Plugin which will automatically be loaded (on request) at first use.

3d-Buildings Terrain Atmosphere Roads Borders StatusBar NavControl Grid ScaleLegend

Navigation with mouse and activated NavControl or : Cursors=moveMap Ctrl+Cursors=TurnMap Shift+Cursors=TurnHead N=NorthHeading R=LookDownward
(instead of Cursors you can also use with left hand : A=cLeft D=cRight W=cUp S=cDn
Depending on your Internet-connection and size of 3d-models it can last a moment for loading all textures. Sometimes 3d-model are not exact positioned on an (curved) terrain. Then you can switch off the terrain.