These layers are hundreds of feet thick and are thought to have formed roughly 3.7 billion years ago, under warmer and wetter ...

That’s Echo Bluff State Park in Eminence, Missouri – 476 acres of jaw-dropping natural beauty that somehow remains one of the ...

One hundred years ago a Danish immigrant named John Christensen was trying to farm near the village of Itasca. But he kept ...

Tall oak and elm trees create perfect shady spots for afternoon picnics. The swimming pool here is a lifesaver during those scorching Texas summer days when temperatures climb into triple digits.

Check out these top climbing spots around the world. As a global hub for climbers, Yosemite (below) has to be on the list. It ...

CaveCreek4.jpg Penelope Donahue points out fossils in the limestone of the opening of Cave Creek Cave while on a June 8 hike in Santa Fe National Forest. The limestone, which is around 300 million ...