Caldor Fire: California and Nevada declare a state of emergency and more than 50,000 residents are asked to evacuate Lake Tahoe.

Caldor Fire burns at the Sierra-at-Tahoe Ski Resort on Sunday, August 29, in the Eldorado National Forest in California. Major buildings at the base of the ski slope survived as the main fire went ahead.

On Monday, Aug. 30, residents were stranded as they tried to evacuate as a Caldor fire approached in Southern Lake Tahoe, California.

Firefighters with the Eldorado National Forest address the Caldor Fire in Strawberry, California on Friday, August 27th. The boiling fire triggered evacuation orders and warnings in Lake Tahoe.

On Thursday, August 26, a tanker fire near Little Creek, California causes a fall as efforts to contain southern fires continue.

On Wednesday, August 25, a firefighter sees a tree while a French fire is burning in the Sequoia National Forest near Waffle Heights, California.

A firefighter tried to extinguish a blaze in a burning house as southern fires raged in Little Creek, California, on August 25.

From left, Astrid Gowerrupias, Jose Lamas and Maria Gowerrupias walk through the smoke after visiting the burned-out house on August 25 in Little Creek.

On August 25, a French fire continued to spread near Waffle Heights, California.

On Tuesday, August 24, firefighters are seen behind the blaze they were fighting to fight the French fire near Waffle Heights.

The group is battling California’s Caldor fire as it moves eastward towards Lake Tahoe on Monday, August 23rd.

This aerial photo, taken on August 19, shows burned-down homes at Creekside Mobile Home Park, a day after it was destroyed by a cache fire in Clearlake, California.

On August 18, firefighters dug a control fort in a Caldor fire near Pollock Pines, California.

Smoke and fog cover the Golden Gate Bridge and the San Francisco Skyline wildfire on August 18.

In this long exposure photo, the mountains are on fire on August 17 near Dixie Fire near Milford, California.

Destiny Bernard holds Raymond William Goichius while trapped at a gas station in Doyle, California on August 17th. Bernard’s car breaks down as Raymond and his family help Dixie escape the fire.

The destroyed property was found Aug. 17 after a Calder fire passed through Grizzly Plots, California.

On Aug. 17, firefighters spray water on trees burned by a Dixie fire near Janesville, California.

A firefighting helicopter flies in front of the sun on August 15 near Lakeview, Oregon, covered in thick wildfire smoke.

The wind, which revealed the damage caused by the Barlis Canyon Island in Utah on August 14, blows smoke for a moment.

On August 12, crews set fire to Newhall, California.

A table and chairs sit in front of the house that was destroyed on August 12 in Greenville, California.

On August 10, Dixie, a firefighter, fights a fire near Taylorsville, California.

Smoke billows from Quiz Fire near Eugene, Oregon on August 10.

On August 9, a firefighter works to extinguish a controlled fire to protect a home in Greenville, California.

On August 6, firefighters fighting a Dixie fire removed a fallen tree from a road in Blooms County, California.

On August 5, Dixie Fire flames burn a pick-up truck on Highway 89 south of Greenville, California.

Activist Jay Jay Walter passes the historic Sierra Lodge as Dixie fires through Greenville, California on August 4th.

Firefighters are working at a Greenville home that was engulfed in a Dixie fire on Aug. 4.

On July 29, Dixie caught fire near Taylorsville, California.

California Governor Gavin Newsome, left, and Nevada Governor Steve Sissolak toured the area devastated by the island of Tamarak on July 28 in Gardnerville, Nevada.

Firefighter Brent Call walks through the bootleg fire area near Klamath Falls in Oregon on July 27th.

Call Fire Captains. Tristan Gale, left, and Derek Leong oversee the July 26 shooting in Lawson National Forest, California. The crew set the ground on fire to prevent the Dixie fire from spreading.

Firefighters try to reach the fire station in Queensland, California on July 25.

Volunteers line clothing at a donation camp for victims of Bootleg Island in Fly, Oregon.

Scott Griffin examines his property, which was destroyed by Bootleg Island on the Cycan Estates in Oregon.

On July 24, fires ignited a house as Dixie Fire burst into tears through the Indian Falls community in Blooms County, California.

People stand behind the line of fire as sparks from the Stepto Canyon fire in Calton, Washington, spread through dry grass on July 22nd.

On July 21, smoke billows from a dixie fire above Plumas National Forest in California near the Pacific Gas and Electric Rock Creek Power House.

Firefighters walk by a wildfire on July 19 in Tobanga, California.

A firefighter works as a sweeper in the Fremont-Wine National Forest fighting the Bootleg fire in Oregon.

A car was set on fire by a bootleg fire on a mountain road near Fly, Oregon.

Nicholas Bay, 11, hugged his father, Syed, near the donation trailer they used after their house burned down in the Bootleg fire near Beatty, Oregon.

Firefighters put out a fire in the area affected by the Bootleg fire near Plymouth, Oregon.

A bear cub found in a bootleg fire in Oregon has been found stuck in a tree.

Firefighters are working to protect Markleville, California from the July 17 Tamarak fire. The Tamarak fire started when lightning struck.

On July 17, a Tamarak fire broke out in Markley, near the California-Nevada border.

A member of the Northwest Event Management Team 12 holds a map of the Chua Creek fire as a result of the July 16 wildfire disaster in Nespelem, Washington.

A cloud from the Bootleg fire blows through the air near Plymouth, Oregon on July 16th.

Firefighters from the Union Pacific Railroad Fire Station fought the Dixie fire on July 16 in Blooms National Forest, California.

Horses mounted on a cliff burned by the Gua Creek fire in eastern Washington.

The fire from the Bootleg fire illuminates the smoke near the fly in Oregon on the night of July 16th.

A firefighter fights the Bootleg fire on July 15 in the Fremont-Wine National Forest on the Oregon-California border.

A firefighter fires a bootleg fire on July 15 in Plymouth, Oregon.

Firefighters dug up hot spots under the stumps on July 15 following a fire that spread from the Snake River complex south of Louiston, Idaho.

Burned cars sit outside a house destroyed by the Suva Creek fire in Nespelem, Washington.

Evacuee Dee McCarley hugs her cat bunny on July 14 at a Red Cross center in Klamath Falls, Oregon.

On July 14, a plane crashed into a fire at Suva Creek in Washington.

Head of Operations Bert Thayer examines the July 13 map of the Bootleg fire in Siloquine, Oregon.

Men hug a member of the Red Cross at the Bootleg Fire Extinguishing Center in Klamath Falls, Oregon.

Emperors blow across a field on July 9 when a sugar fire burns in a toy in California.

Firefighters patrol Sugar Island in Doyle, California on July 9th.

This long exposure photo, taken in early July 2, shows the flames engulfing Lake Shasta, which was hit by drought in a salt fire in Lakehead, California.