Southern Utah’s red rock parks are having a moment, scoring a spot on bucket lists around the globe. And Zion National Park, within day-tripping distance of Las Vegas, absorbs the brunt of the ever-thickening crowds. Many don’t wander far enough off the interstate to discover that Capitol Reef National Park serves up the same landscape of rust-colored walls, sheer cliffs dripping with caramel, and solitary slot canyons, with only a quarter of the traffic.