At the edges of daylight and under clear night stars is a fascinating multitude of generally unfamiliar desert wildlife.
Joshua Tree National Park has quickly become one of the world's most famous destinations for rock climbing.
This park is named after them, so what are they? The Joshua Tree can survive a couple hundred years in this desert environment.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.