Hallowed ground that absorbed the blood of colonials fighting for independence and nearly a century later of Union and Confederate soldiers engaged in a civil war are among the top 11 "Most Endangered Historic Places" in the United States identified by the National Trust for Historic Preservation.

Yellowstone National Park is implementing additional measures to help stop the spread of aquatic invasive species into park waters.

The National Park Service is seeking public input on proposed increases to camping fees at Dinosaur National Monument in Utah and Colorado. The proposed fee increases are based on comparability studies done with surrounding private and public facilities.

Growing seismic unrest Monday that could be a predecessor to a volcanic eruption led to temporary closures at Hawai'i Volcanoes National Park.