The Grand Canyon reminds us constantly that we are merely specks in the history of the earth and universe. When asked, I tell people the hardest thing about running the canyon is not the rapids ...

Small groups of hunters likely traipsed the Grand Canyon region near the end of the last Ice Age, searching for mountain goats, bison, and wild plants. The first recorded group to live in the ...

One of the more controversial additions to the Grand Canyon's surroundings, the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out ...