A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake triggered a landslide, a dam, and an ancient lake.

She was written out of Grand Canyon history, but fires are putting her iconic buildings at risk. Meet Mary Colter, the architect you've never heard of.

"Though it was definitely not your average vacation trip, everything worked out okay. We made the best of it," Russ Christian said.

In this secluded paradise, mail still arrives by mule, turquoise cascades tumble into travertine pools, and time flows at the pace of the river.

I visited the Grand Canyon's North Rim looking for a uniquely Arizona experience. Instead, it taught me what it meant to be an Arizonan.

A combination of high winds, dry air and above average temperatures caused a wildfire in the Grand Canyon to rapidly expand and cause major damage.