Water managers can flush colder water into the Grand Canyon from outlets in the dam 100 feet lower than the penstocks. This ...

The gray dawn broke into birdsong over the Colorado River, and then the birds fell silent as generators began to hum, people shouted and trucks beeped, backing boat trailers down to the water. It was ...

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa, a spectacular formation that thrusts out from the South Rim of the Grand Canyon like the bow of ...

According to the National Park Service, Yellowstone holds about half of the world's active geysers, and it's also home to one ...

After you've admired the Grand Canyon from the hiking trails (or even from the air on a helicopter tour), enjoy a new vantage point on a Colorado River rafting tour. Options range from the family ...

This is perhaps best encapsulated in a Walt Whitman poem titled “When I Heard the Learn’d Astronomer.” The narrator describes ...

Canyons and gorges are some of the most recognizable natural formations in the world, but how do you tell them apart? The ...

Situated in Yangpo Village atop the Gaoligong Mountains, the Nujiang Grand Canyon Bookstore blends contemporary architecture ...