Thousands of non-native plants have gained a foothold on some 2.6 million acres of national parkland. To help eradicate these plants, the National Park Service has established Exotic Plant Management Teams throughout the country. By Connie Toops
The remote coast of Katmai National Park and Preserve supports the continent's highest concentration of brown bears. As growing numbers of people mingle with the bears, experts agree that up-close behavior endangers both people and animals. By Bill Sherwonit
Each spring, synchronized fireflies shine a favorable light on the Great Smokies. By Jenell Talley
Loss of habitat and declining numbers of the hawkmoth, its primary pollinator, threaten the western prairie fringed orchid's existence. By Jenell Talley
It has been 50 years since a Supreme Court justice led a group of hikers that literally walked the C&O Canal into existence as a national park unit. By Ryan Dougherty
