If you’re coming through Butte, visit the World Museum of Mining, put on your hard hat and lamp, and take an underground mine tour. Check out the Mineral Museum at Montana Tech, world renown mining college, See active seismographs recordings and an outstanding minerals exhibit.
Check out the summer theatres in the area—Philipsburg’s Opera House Theatre Company, Polson’s Port Polson Players, Bigfork Summer Playhouse, Bozeman’s Vigilante Theatre Company, Virginia City Players.
If you’re in Missoula early, early in the morning (say between midnight and 2:30am) on a weekend, you might find it fun to pick up some Asian Bao (steamed buns filled with goodies). Bao Chow has it’s food cart at the corner of Main and Ryman.