If the current political atmosphere is leaving you feeling stressed a little art can be good for the soul, especially if that art includes serene images of trees at sunset ...

In Western states, a paint ring may signify a tree affected by mountain pine beetles. A splotch of head-high color could also be a trail marker, showing hikers or mountain bikers which way to go.

Just past the Salton Sea is a mountain made entirely of paint and passion. Salvation Mountain is the life’s work of Leonard ...

The math concept hidden in this tree art — geometric shapes known as fractals — is apparent in branching patterns in nature and may be key to humans’ ability to recognize such artwork as ...