Recent upgrade of ispot to ispotnature has made it possible to create an area defined project area, allowing all observations from the GRBG to been viewed.
Simply go to http://www.ispotnature.org/projects/project-list to see all the thumnails. Each thumbnail is clickable and takes you to the full observation, which may have multiple photographs. All are encouraged to post observations and expand the virtual museum collection for us. This is updated regularly so you can see the latest observations or choose to view what is of interest to you.