Something astonishing appears on the edge of Mät’àtäna Män (Kathleen Lake) as we troll for lake trout in on-again, off-again September drizzle, but it isn’t a grizzly or moose. A miniature rainbow erupts with the sunshine and hangs so low over the base of a mountain that both its multicolored ends appear to plunge into the cold, deep Yukon water.

Everglades National Park is unique in America’s National Park System in many ways, not least because it is a wetland and did not, when it was proposed in the late 1920s, feature the typical scenic attractions of most units of the system.

After a week of storm-related closures, many of Big Bend National Park's popular dirt roads and a portion of the paved Ross Maxwell Scenic Drive have reopened, the park announced Friday. In addition, the popular Lost Mine Trail has now partially reopened. Some low lying areas along the Rio Grande remain closed at this time due to high water and heavy mud.

In the nearly quarter-century since efforts began to identify every plant, animal, and insect species in Great Smoky Mountains National Park, more than 100,000 species have been identified, and more than 1,000 of them are new to science.