If you are using Chrome, Firefox or Microsoft Edge for Windows 10 (tested on version 25.10586.0.0) explore a virtual Etal Castle.
Explore the approach to the Northumbrian castle from across the River Till and the interior of the rectangular courtyard.
For best results when exploring the reconstruction press 'L' to go full screen. Press 'Shift' to run.
The reconstruction has been created using Unity 3D and employs the technology of WebGL.
You may also be interested in exploring a motte and bailey castle.
You may also be interested in exploring a Norman square keep similar to the one built in the reign of King Henry II at Dover Castle.