A hiker takes in a view of rock formations at Utah's Zion National Park that rise more than 3,000 feet above the canyon floor. Courtesy of Zion National Park hide caption

itoggle caption Courtesy of Zion National Park
Becky Lettenberger/NPR

Sherry Casey attended the Remote Area Medical Expedition in Wise, Va. Coburn Dukehart/NPR hide caption

itoggle caption Coburn Dukehart/NPR