Santa Clara County rangers give hikers advice about what to do and what not to do if they see a cougar on the trail. Watch here.

A drone pilot recently captured a rare visitor off the coast of southern California—a hammerhead shark. See it here.

Rangers received a bizarre call about a random llama roaming around the El Corte de Madera Open Space Preserve in California.

A family tent camping in Yellowstone National Park endured a night of eerie howling, keeping them up and little scared. Listen here.

A family didn’t know what was coming when they spotted a shelf cloud moving ominously toward them in the sky. See it here.

A group of young men driving through Yosemite spot a bear in the woods to the side of the road, and they lose their minds (in a good way).

PSA for hikers—not all chirps you hear in the wilderness come from birds. Mountain lions also make a chirping sound. Listen here.

A clever black bear was determined to get some human snacks in California’s Lake Tahoe. Watch it go down here.

Fishermen in New Jersey had a close call when a massive whale lunged out of the water to catch some fish and nearly smashed them.

A group of four hikers in Alberta, Canada, found themselves being stalked by a mountain lion as they were out trekking before dawn.