Orange County, California is actually home to some stunning sandstone rock formations called the "Mini Grand Canyon," and ...

As we started down the trail into the canyon, the boys scampered along with their friends. Worryingly, they did not seem too troubled by the chances that they would fall in.

A 59-year-old Arizona backpacker died after hiking down the Thunder River Trail in the Grand Canyon National Park on Sunday. Delphine Martinez, of Window Rock, was on a multi-day backpacking trip ...

Delphine Martinez died while hiking in the Grand Canyon during high temperatures, marking the fifth park death this year.

Hiking down the Thunder River Trail on Sunday in triple-digit heat, she reportedly became disoriented and later unconscious. Trip members attempted resuscitation efforts without success.

Finishing this hike by myself wasn't what I envisioned, but as I emerge from the depths of the Grand Canyon, I'm thankful for the responsive rangers and that this trip ultimately had a happy ending.

A woman who embarked on a multi-day backpacking trip through the Grand Canyon National Park died on a trail Sunday, the park said.

Hiking down the Thunder River Trail on Sunday in triple-digit heat, she reportedly became disoriented and later unconscious. Trip members attempted resuscitation efforts without success.

For first-time Grand Canyon hikers, the best place to start is the South Rim in northern Arizona, Cundy said. “Peek over the edge and it’s nearly 5,000 feet down to the river,” he said.