I guess it all depends on what you want to see but, Cirque de navacelles is a nice looking place for a trip. See
http://www.stacey.peak-media.co.uk/P...Navacelles.htm
for some pics. Also if it's fancy engineering you like try the Solar Furnace See
http://www.satellite-sightseer.com/id/12221
and also
http://www.stacey.peak-media.co.uk/P...lo/Odeillo.htm
Jim