It was our job to run the length of the Colorado River through the Grand Canyon and search out ... Day seven: halfway through the journey. Clouds gathered on the canyon rim above us and peeled apart ...

John Wesley Powell A professor of geology at Illinois Wesleyan, John Wesley Powell had more than just a passing interest in the layers upon layers of rocks exposed by the Colorado River.

Here are some of the most incredible skywalking adventures across the world that guarantee unforgettable sights. The ...

A news report by China.org.cn on the "cloud-borne school bus" service in China: At a sheer 550-meter rise from the valley floor to the mountaintop, the Nizhu River Grand Canyon poses a daily challenge ...