Mammoth Cave National Park’s Heritage Trail, Old Guides Trail, and visitor center pedestrian bridge will be closed for nine months starting Monday, January 6, to allow for work to complete the Heritage Trail Rehabilitation Project that will improve the trail’s visual profile, enhance the visitor experience, and maintain wheelchair accessibility while reducing the park’s annual maintenance requirements.

Eight-hundred-thousand dollars is being spent on shoreline restoration projects at Cumberland Island National Seashore, Fort Matanzas National Monument, and Timucuan Ecological and Historic Preserve.

Long before the 2024 explosion of Black Diamond Pool brought renewed attention to hydrothermal hazards in Yellowstone National Park, there was Excelsior Geyser. In the late 1800s, that feature set a standard for hydrothermal explosions.

A proposed fee increase for private river trips through Grand Canyon National Park if approved will more than triple the cost to individuals, with the revenues targeted to help with river restoration and mitigation projects.