The Grand Canyon is vast, covering 1,218,375 acres and 1,904 square miles across Arizona. Here's what to know.

Experts say that current pressures could change "the National Park System irreparably for future generations." ...

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected areas ...

A bipartisan group of lawmakers and nonprofits are pushing to establish the next national park in the U.S. in Georgia. Here's where.

Many American schoolchildren grow up learning that Yellowstone was the world’s first national park. But across the globe in Mongolia, just south of the capital, Ulaanbaatar, a mountain holds a claim ...

I've visited all 63 major US national parks. I think Great Smoky Mountains and Grand Canyon are some of the best parks for ...

Whether you’re chasing sweeping mountain views, crystalline lakes, or the dense beauty of old-growth forests, these are 10 of ...

‘Censorship:’ See the National Park visitor responses after Trump requested help deleting ‘negative’ signage The administration asked for help erasing language on park displays that failed ...

The United Nations Educational, Scientific and Cultural Organization convened last Friday in Paris and decided to keep the ...

Interior Secretary Doug Burgum issued an order to counter what he calls a revisionist movement that “seeks to undermine the remarkable achievements of the United States by casting its founding ...

THE CANADIAN PRESS/Jeff McIntosh A section of a trail in Banff National Park remains closed to visitors two weeks after a rockfall killed two hikers and injured three more.

A national park site in downtown Philadelphia preserves epic tales of war and freedom in just 0.02 acres of space. Explore the Thaddeus Kościuszko National Memorial.