The glowing orange sphere slowly peaked above the dark walls of the “Grand Canyon of Texas,” illuminating subterranean spires, buttes, and mesas bathed in soft terra cotta colors. Watching the stunning sunrise over Palo Duro Canyon was well worth skipping soggy scrambled eggs and dry bacon from the hotel breakfast buffet. But I was sorry I waited so long. Palo Duro Canyon State Park has been on my travel list almost since I moved to Texas two decades ago. But every time I was near...