Seven mules and two horses owned by the National Park Service for use in Sequoia and Kings Canyon national parks recently were discovered dead in their winter pasture, apparently due to the failure of a "remote watering system."

You can add Rock Creek Park in Washington, D.C., to the slowly growing list of parks that have turned to lethal means to tamp down burgeoning populations of ungulates, whether they are elk or deer.

A 41-year-old Canadian visitor reported missing in Joshua Tree National Park early Wednesday was found dead in the park later that day.

Where are the wild things? For those who call a metropolitan area home, and seldom leave its concrete and steel confines, that might be a reasonable question. National Geographic has the answers for you in a two-night series, Untamed Americas, that debuts this Sunday and Monday nights.