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.

Grand” is a weighty word to carry at the front of your name. It makes a remarkable promise; one that New York’s Grand Central Terminal lives up to in its cathedral-like main concourse; one which the Grand Western Canal,

Fire crews allowed a fire to burn through brush on the Grand Canyon’s North Rim. They they lost control.

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

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

A group of bipartisan lawmakers and officials have called for an investigation into how the Dragon Bravo Fire was able to grow and destroy dozens of structures, including the historic Grand Canyon Lodge.

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.

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