Week 6-18 thru 6-24-11 - Clayton, ID and Butte, MT:
Butte is still home to old oil derricks
Egg galleries of bugs that ultimately girdled and killed this tree (and billions of others across the NW).
Week of 6-25 thru 7-1-11 - Yellowstone, WY and Butte, MT:
A massive mineral deposit (about 20' tall)
Waiting for Old Faithful
A hot spring surrounded by bright orange bacteria - there are dozens of hot springs and geysers colored like this in Yellowstone (home to 2/3 of the world's geysers).
Indian paintbrushes covering the forest floor near Helena, MT
A view of Butte with passing showers and the Pintler mountains beyond