This map of California allows you to explore the Picture This collection by the locations where images were created. Just click and drag to move the map around and use the buttons in the upper-left corner to zoom in and out.
Click on a red marker to view an image from that location, then click on the image for a larger version and for more information.
The colored circles indicate groups of pictures. The number on the circle tells you how many pictures are in that group. Click on the group to zoom in and see the individual pictures.