While national park visitation concerns in the United States frequently revolve around visitor declines, in Thailand the parks are being overrun by tourists.

If you've ever wondered about General George Washington's arrival, along with his troops, at Valley Forge in the winter of 1777, you might want to visit the park this coming Friday, December 19th. That's when a re-enactment of the troops' arrival will be staged at Valley Forge National Historical Park.

One of the "crown jewels" of the national park system will celebrate its centennial in 2010, and when you're talking about planning a celebration of that magnitude, there's plenty of work to do. Glacier National Park is off to a great start in that regard, and you may want to know about upcoming deadlines for some activities that are already underway.

Yellowstone National Park is scheduled to open its winter season on Monday, and a storm forecast for this weekend could give the park a big boost in terms of snow cover. Without additional snow, the season might open without enough of the white stuff for snowmobiling.