Doing what geologists do best: checking out the coolest rocks we can find.
Erin sampling the water at Soap Lake. Soap Lake is a very saline alkaline lake. Not very many critters swimming around there.
Come out of your cave walking on your hands, see the world hanging upside down.
Dry Falls: at the height of the Glacial Lake Missoula floods, there was 10 million cubic meters of water flowing through this area.