Jumping from cliffs at Glen Canyon National Recreation Area in Utah into the cool waters of Lake Powell can be a great activity, if you know exactly what you're jumping into. Is it shallow? Are there submerged objects? There are a number of risky conditions that can arise from jumping into Lake Powell.

An Idaho man working a route up the Grand Teton died when he fell 40 to 50 feet from the Owen Chimney pitch, according to the National Park Service.

While the National Park Service has been studying the impacts of e-Bikes in the National Park System, the agency really knows little about the impacts on the environment or on other trail users, according to Public Employees for Environmental Responsibility.

A spending bill designed to "rightsize" federal agency spending that was approved by the House Appropriations Committee on Wednesday would cut the National Park Service's upcoming budget by 12.5 percent, resulting in the loss of more than 1,000 park staff and reduce the agency's maintenance and historic preservation funding, according to the National Parks Conservation Association.