thanks, dr. beilock! >> you're welcome. and good luck on your next test. >> it's the scene of the most famous indian battle in history. i'll tell you how -- i mean where in "flag facts." >> every state has one, but most of us don't know why they look the way they do. here's "flag facts." >> it's home to cowboy ghost towns, custer's last stand seven indian reservations, the world's shortest river and largest migrating elk herd. the state animal is the grizzly bear... [ grizzly bear growls ] ...and it's sweeping vistas earned it the nickname "big sky country." we're talking montana, partner. >> montana is from the spanish word for mountains or mountainous. >> admitted to the union in 1889, its flag honors both the land and its people. >> so you see the tools of a miner -- a pickax, a shovel. you also see farming tools for the settlers who came and settled the land, and in the back you see the river the waterfall, and the rocky mountains in reference to the great nature they have in montana. >> montana's rich in precious miner