On a remote salt flat with nearby towering, snow white gypsum dunes, a team of scientists is following a string of fossilized footprints back in time to the end of the Ice Age, when humans – adults and children – were likely hunting a giant, razor-clawed ground sloth.

Concern over the stability of the pedestrian bridge over the Jacks Fork River at Ozark National Scenic Riverways in Missouri has led park staff to permanently close the structure and prohibit all river activities within 100 feet of the bridge.

President Trump is said to favor chaos as a managerial tool, and proposed personnel changes at the National Park Service not only would insert that element into the agency's upper echelon, but also be reminiscent on past efforts to gain political control over the beloved agency.

Short-term headaches will lead to long-term improvements for visitors who enter Yellowstone National Park from the East Entrance, as construction on a 3.5-mile section of road between Fishing Bridge and Indian Pond will force delays and a closure.