Private overnight tour from Seattle to a geological wonder, Dry Falls, an ice-age catastrophic flood path and dry waterfall. Day 1 travel across a mountain pass to the Falls, have lunch, and end in Coulee City and your hotel. Also, enjoy a laser show at dark. Day 2 after breakfast, visit Grand Coulee Dam, then travel to lunch in Bavaria. Then, pass through one more magnificent mountain pass on the way home.
The photo is courtesy of Viator.com