Since its founding on August 25, 1916, the U.S. National Park Service has assembled 419 protected units, of which 62 hold the ...

Paul Ndung'u on April 9, 2025 stands beside a wall constructed using recycled bottles.

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will suffer if work resumes.

Visit this breathtaking park in Costa Rica where lush jungle trails lead to waterfalls, wildlife sightings, and swimming ...

Arizona's national parks offer majestic views, a forest of towering saguaros and a look back into time with a preserved ...