Desert restoration is difficult ... Walker, J. L. Approximating nature's variation: Selecting and using reference information in restoration ecology. Restoration Ecology 5, 338-349 (1997).

Here's a list of breathtaking places around the world that continually defy our expectations and stir our sense of wonder.

Anza-Borrego's beauty isn't just natural; it's historical too. Discover ancient Native American pictographs and remnants of ...