These are the latest visible crop circles in Google Earth as of March 2008.
Each one has the name of the closest town. Typing them into the FlyTo box in GE will get you there and then ill leave some of the fun for you to find them from there.
EDIT: At :58 the town is spelled wrong. Its suppose to be South Harting. I spelled it with a “d”. Sorry.

If you’d like, you can download the entire collection at…
http://bbs.keyhole.com/ubb/showflat.php/Cat/0/Number/175202
Google Earth is free and can be found here…
http://earth.google.com/