While the number of search-and-rescue missions conducted in the National Park System in 2013 dropped slightly from the previous year, the number of individuals never found jumped fourfold, to 56, according to the National Park Service's annual Search and Rescue Report.

The call has gone out folks. Applications are now being taken for the 2014 @American_Latino Expedition, a contest designed to engage diverse audiences and inspire exploration and stewardship of America’s national parks, all the while highlighting American Latino culture, history, and contributions across the National Park System.

A new, for the mainland United States, mosquito-born disease has been in the news lately, and the National Park Service has issued some background on the disease -- Chikungunya virus -- and how to deal with it.

A 30-mile watery ribbon that flows below Hoover Dam in Lake Mead National Recreation Area in Nevada has been designated a "national water trail," the first in the Southwest.