Fire crews sometimes allow lightning-strike fires to burn, and made the decision to do that on the Dragon Bravo Fire, intended to reduce hazardous fuels and vegetation along the North Rim of the Grand Canyon.

A dramatic time-lapse takes you through the Dragon Bravo Fire as it burns on the North Rim of the Grand Canyon.

A growing wildfire at the Grand Canyon's North Rim has now charred at least 50 structures, including a historic lodge inside the popular tourist site.

Republic photographer Michael Chow captured the wildfire in a time-lapse video taken July 14 from the Canyon's South Rim. Chow set up his camera on a tripod, pointed it at the smoke, hoping it cleared at some point and and shot a photo every four seconds for 4 1/2 hours.

Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity persist.

Firefighters are battling a lightning-caused wildfire on the North Rim of the Grand Canyon. The Dragon Bravo Fire has burned down the Grand Canyon Lodge and triggered a chlorine gas leak.

The Dragon Bravo Fire destroyed the Grand Canyon Lodge and continues to burn. See the devastation, plus readers share memories of the lodge.

Crews fighting a wildfire were focused on stopping the flames from consuming nearby cabins, a water pumping station, mule stables and other structures, fire officials said.

Arizona officials are pressing for an investigation into the National Park Service's handling of the Dragon Bravo Fire, which spread after being managed as a controlled burn.

A wildfire destroyed a historic lodge at the Grand Canyon's North Rim and some political leaders want to know if the fire was mismanaged. One fire expert said officials should approach policy changes carefully because controlled burns are still critical to forest health.

Gov. Katie Hobbs wants an independent federal investigation on the handling of the Dragon Bravo wildfire, which has burned more than 5,700 acres as of Monday.