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 ...

This classic hiking route follows the Minffordd Path to the summit of Cadair Idris in Snowdonia – a mountain forged by ...

Millions of people visit the Grand Canyon each year. But this year will be different for one portion of the national park.

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 ...

These incredible national parks have fewer visitors every year despite being some of the best places to spot wildlife in the United States. Find out more.

The Yukon Territory glows—but not with city lights. “Everywhere you look is like a painting” here, with auroras that last for ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Oakland Park, United States throughout the world ...