Utah's Zion and Bryce Canyon national parks illustrate the diverse terrain ... but can be divided into between 4- and 11-mile segments. The Riggs Spring Loop is another option at nearly 8 miles ...

Together with Zion and Grand Canyon National Parks, Bryce Canyon is part of a geologic wonder known as the Grand Staircase, an immense area of rock with layered sedimentary formations ranging from 600 ...