15 Great American Road Trips For Your Bucket List Photo credit: CC license by U.S. Army Corps of Engineers 4. Wonder at the waterfalls of the Columbia River Highway Springtime is the best time to travel Oregon’s Columbia River Highway when the waterfalls reach their peak and tumble over the precipices of the Columbia River Gorge. Over 100 years ago, the architect of this scenic highway made a point to build the road as close to the gorge’s waterfalls as possible, and the result was a one-of-a-kind road trip experience through the Cascade Mountain Range. Prev4 of 17Next From Around The Web Facebook Comments comments