Though it's still only a national monument, this incredible "Wonderland of Rocks" in Arizona has a strong claim for being America's next national park ...

If you travel to one of our great national parks, monuments or historic sites this summer, look for the signs. There’s a reason they call the national park system America’s biggest classroom. There ...

Located about 58 miles east of Roseburg along Highway 138, this natural wonder sits in what locals affectionately call Oregon’s “waterfall corridor” – because apparently, one stunning waterfall just ...

A new study suggests a meteor strike that created Arizona’s Meteor Crater 56,000 years ago may have triggered a massive ...

The paper suggests that a dam created a 50-mile-long, 300-foot-deep paleolake with beavers' tracks in caves above the river, indicating a significant geological event possibly related to Barringer ...