Crater Lake, Oregon

So, I didn't do any fieldwork as such at Crater Lake, but I was a ranger for the National Park Service at the Oregon volcano during 2001. Being able to spend a summer living on a volcano meant I got to explore lots of the nooks and crannies that most tourists don't see and let me tell you, there are some great places to see off the beaten path (which, at Crater Lake is the Rim Road). Probably the best advice I tell people is to take the time to hike to the top of Mt. Scott on the eastern side of the caldera -- the summit affords a stunning view of the lake and Wizard Island, the cinder cone that pokes above the surface of the lake.

Fondest memory: Being able to lead boat tours in the lake multiple times each week.

Image: ISS image taken February 23, 2003. NASA.