After the Fact
After the Fact
The Pew Charitable Trusts
The Grand Canyon National Park Turns 100
14 minutes Posted Aug 15, 2025 at 12:00 pm.
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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.