Out of all the things this mountain biker expected to find on the trail the other day, a longhorn bull was not one of them. Watch it here.

Darryl and Kathleen Toupkin have officially visited all 430 of the national park units—a journey they started unintentionally decades ago.

In a battle of Burmese python vs. reticulated python, one huge predator lost to the other, and it’s wasn’t pretty.

In this episode of celebrities going fishing, Kid Rock posted photos of a couple of great catches from Lake Michigan.

In stunning video from the Arctic, there’s a polar bear and several belugas all in one frame. Watch it here.

A territorial hippo chased an African lion as it tried to cross the Luangwa River in Zambia. Watch the incredible scene here.

The U.S. Fish and Wildlife Service shared a video of two large black bear cubs playing, fighting, and climbing in Alaska. Watch it here.

A falling rock struck a woman who was climbing in Oregon. Three different agencies had to pitch in for the rock climber’s rescue.

If you had to put your money on one of these formidable ocean predators in an octopus vs. shark battle, which one are you betting on?

An eastern indigo snake puked up some things it had recently eaten. One of those things was still alive. Get the bizarre details here.