Utah’s Mighty 5 refers to the state’s five national parks — Zion, Bryce Canyon, Capitol Reef, Arches, and Canyonlands — each within a reasonable drive of one another and each strikingly different from the next. Together they form one of the most rewarding road trips in the American Southwest, moving from towering sandstone canyons to hoodoo-filled amphitheaters, layered desert cliffs,…