A new report has calculated that making national parks the responsibility of states would raise costs, cut revenue and reduce access for Arizonans.

A wildfire that destroyed a historic Grand Canyon lodge is continuing to spread out of control after it had been allowed to burn for days.

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.

Gov. Katie Hobbs questioned the federal government's handling of the Dragon Bravo Fire, which destroyed numerous structures on the North Rim of the Grand Canyon, including the historic Grand Canyon Lodge.