When do you feel you've done a park? Is it when you've been to the visitor center? Spent a day walking its trails?

Big Bend National Park is a land of borders. Situated on the boundary with Mexico along the Rio Grande, it's a place where countries and cultures meet. It's also a place that merges natural environments from desert to mountains, where south meets north, and east meets west, creating a great diversity of plant and animal life.

With another holiday weekend on tap, the folks at Mammoth Cave National Park are planning to offer some free cave tours on January 14, 15, and 16th.

CenturyLink, the phone company previously known as Qwest Communications, is seeking approval to erect a roughly 80-foot-tall telecommunications tower inside Glacier National Park at the park's St. Mary administrative area.