El Capitan is actually the remnant of an ancient volcanic system. "A hundred million years ago," Glazner explains, "there would have been a big volcano on top, [and] the stuff we see as El Capitan ...

Horsetail Fall is located over the eastern ridge of El Capitan, a vertical rock formation on the western side of the national park. According to the National Park Service, the phenomenon happens ...

Next was 19,347-foot Cotopaxi, the snow-covered Andes volcano he’d spent years climbing ... bolder and more extreme. Climbing El Capitan in Yosemite National Park, a nearly vertical 3,000 ...

El Capitan, in Yosemite National Park in California ... Yosemite's ultra-deep canyon may have been carved in part by a ghost volcano and river, provocative research suggests Mount Roraima ...

Today it is known as Agathla Peak or by the nickname "El Capitan" due to it location just ... solidifies in the pipe or neck of an active volcano. Over time, the agents of erosion wear the softer ...

Horsetail Fall is located over the eastern ridge of El Capitan, a vertical rock formation on the western side of the national park. According to the National Park Service, the phenomenon happens ...

The annual Horsetail Fall event at Yosemite National Park − also known as the "Firefall" − is back with people vying for the perfect spot in the California park to see the iconic waterfall ...