The Grand Canyon National Park Turns 100
15 August 2025

The Grand Canyon National Park Turns 100

After the Fact

About

Take a road trip with us this summer as we revisit one of America’s most iconic landscapes: the Grand Canyon. This episode originally aired in 2019 to commemorate the 100th anniversary of the Grand Canyon’s designation as a national park. In this episode, host Dan LeDuc explores the beauty and geological history of this natural wonder with Wayne Ranney, a geologist who has spent his career studying the canyon.