Our partner Simplex Mapping provides international corporate / municipal grade 3D mapping services.
The really gigantic data that they collect and interpret is made viewable in your browser with their Smart 3D Viewer.
You can follow our progress and see our 3D models on Masada by signing up for a free account
Here's a short video HOWTO :
NOW that you have your login, here is the short HOWTO on actually using the Smart 3D Viewer :