Dozens of hikers say they fell ill during trips to a popular Arizona tourist destination that features towering blue-green waterfalls deep in a gorge neighboring Grand Canyon National Park.

A mysterious illness has left the health of dozens of Grand Canyon hikers ... Havasupai Falls, a difficult-to-access area of Arizona’s Grand Canyon National Park. Some who fall ill in the ...

An emergency situation at the Grand Canyon forced the closure of inner corridor trails, including the Bright Angel Trail, park officials said.

A 37-year-old man fell to his death while hiking at Zion National Park in Utah, authorities confirmed. The hiker was found ...

A few of the most impressive pristine falls are found in the Grand Canyon ... Recent hikers note there are lots of boulders to navigate that can be slippery near the water. Another tip: If ...

near a remote part of the Grand Canyon. Havasu Falls, the most popular, is a beautiful spot for cliff jumping and relaxing. The treacherous hike there is totally worth it. Story by Chloe Miller ...

The ethereal pools formed by Havasu Creek add an almost surreal quality to the red canyon backdrop. Though it's often associated with the Grand Canyon ... 10-mile hike to the falls, the sheer ...