Crews are scrambling in Dinosaur National Monument to see that the Harper's Corner Road is open to the public by mid-April.

Much has changed since Lewis and Clark took a hike across the western United States. Among those changes has been an infusion of non-native vegetation that threaten to overrun native vegetation. At Lewis and Clark National Historical Park, researchers are working to wipe out the intruders.

If the recent winter months have you wishing for some time on an island in the South Pacific, here's a unique approach: the Home Stay Program at National Park of American Samoa lets you sample some beautiful scenery while living like a local in a Samoan village setting.

Call it the journey of the frogs, or the salamander migration, but in the coming weeks River Road in Delaware Water Gap National Recreation Area will be closed overnight to allow for these amphibians to reach the other side of the road.