A group of snorkelers were surrounded by some Pacific white-sided dolphins, but then, their guide spotted something else . . . something big.

A woman sitting on her front porch realized she was not alone; there was a mountain lion staring at her from across the yard. Watch here.

USFWS shared footage of a grunting bison, saying rut season is a time of “headbutting, tail flagging, wallowing, and grumpiness.” Listen here.

When a lion climbs on top of a tourist’s vehicle in South Africa, the driver finds him or herself in a serious pickle. See what happens.

A viral video shows snakes in a river hunting fish using a fascinating technique you might recognize from grizzly bears in Alaska. Watch here.

One woman got a shock after she discovered that a bear had thoroughly destroyed her car in Gatlinburg, Tennessee. See the video here.

A group of hikers crossed paths with a puma in Corcovado National Park in Costa Rica, and the footage they captured is pretty wild.

One man did his best to warn some Yellowstone tourists who should have been getting back in their cars as a bison moved toward them.

A boat captain in New Zealand recorded a pod of orcas calmly passing his boat in crystal-clear water. Watch the popular video here.

When a bear came strolling toward a crowd of people having a party at Lake Tahoe, a lodge staff member with a bear horn came to the rescue.