Source: Kumar Appaiah/Flickr CC BY-SA 2.0 Humans are social animals. We are strongly influenced by those around us. We adapt to what we perceive as normal behavior in an environment – the social norm ...

Petrified Forest National Park is easy to explore, learn, and appreciate one of the Southwest’s unique landscapes.

“Onyx Bridge is a dramatic example of petrified wood” found in a layer of rock that dates back 210 million years, the National Park Service reports. National Park Service photo One of the world’s most ...