The Mono County in California, located just a few kilometers northeast of Yosemite National Park, there is a fascinating old lake, which is dating back as 760,000 years ago.

Rescuers paid superhuman efforts to extricate the trapped people from the cars that were stuck in mud in central highway of California.

Almost 200,000 people were ordered to evacuate the area around Oroville, California on Sunday afternoon, after erosion caused damage in both spillways of America's tallest dam at Lake Oroville.

A video by San Bernardino County firefighters captures the moment the large volume of snow, rock, soil and timber slides off the mountainside.

Part of the mountainside went off into the Pacific Ocean, covering up a big part of scenic Highway 1 in Big Sur area, California, on Saturday, May 20th.

Heavy rainfall caused rivers of mud and debris to run down from hillsides in Santa Barbara County, California, last Tuesday, killing several people and causing extensive damage to infrastructure.

A rock fall occurred in the underground Waste Isolation Pilot Plant (WIPP) near Carlsbad, California.

Extreme torrential rain has caused severe flooding and has triggered hazardous mudslides in California.

Archaeologists have found a buried military facility beneath the prison yard of Alcatraz Federal Penitentiary, which is now controlled by the National Park Service.

According to federal engineers, Disneyland may be in danger as a local dam could fail if an intense rainfall occurs.