My students in the Art Lab at Vassar have recently returned to the source media files of several thousand interactive panoramic photographs I made over the past fifteen years, but which were not included as part of the Mapping Gothic project because of temporal and conceptual constraints. They will soon be accessible to students at Vassar via web browser or Google Cardboard.
Each of the following spherical images will open in its own window. To displace the image, click/tap and drag.
The cathedral of Bourges (full-window version of the image above)
You might also wish to explore these plan-based virtual visits of the cathedrals of Chartres, Bourges and Paris, and the John Soane Museum in London (Adobe Flash is required).