There's something to be said about our fascination with tall perches and panoramic views. Maybe it's our inherent need to comprehend our own insignificance that drives us to trudge to the very highest ...

Canyons are among the world's most stunning natural creations, formed by centuries of continuous erosion and the effects of flowing water. They consist of narrow gorges carved out of rock and earth; ...

Add Yahoo as a preferred source to see more of our stories on Google. Zion National Park is one of the most dramatic landscapes in the American Southwest. Towering sandstone cliffs, narrow slot ...