Those who still use the U.S. postal system, or simply like to collect stamps, can look forward to a stamp honoring Joshua Tree National Park and a series of stamps celebrating Wild and Scenic Rivers in the country.

With no maintenance crews available during the government shutdown, some parks are closing campgrounds due to overflowing garbage while others are closing roads due to snowy conditions.

Isle Royale is a 571,800-acre, heavily forested island in tempestuous Lake Superior that under the National Park Service captures a snapshot of northwoods past, one that has been manipulated by succeeding generations of visitors. Yet it's a place where one can disappear into a vestige of wilderness, cast for a rare species of trout, or relax in a cabin or lodge room and enjoy the placid surroundings.

Rocky Mountain National Park in Colorado will have limited road access by vehicle but will remain accessible to pedestrians and bicycles during the lapse in federal appropriations. Due to road conditions from snowfall Saturday and blowing and drifting snow and ice combined with the inability to snowplow, sand, or otherwise maintain the roads, gates are closed past the Beaver Meadows Visitor Center on U.S. 36, past the Fall River Entrance on U.S. 34, past the Wild Basin Entrance on the Wild Basin Road and at the Grand Lake Entrance on U.S. 34.