293 real miles: I-90 over the Cascades, WA-26 through the scablands, US-195 into the Palouse. 19 rest stops, 4 blink-and-miss-it towns. Tap a stop for the true story behind the sign.
Green markers are rest stops (gas, repairs, missions, saves). Grey dots are pass-through towns — a sign, and then they're gone.