Two centuries after the British were defeated at Saratoga in upstate New York, a new invader is forcing the National Park Service to set fire to the landscape in a bid to preserve its appearance.

Work resumes this week in a bid to find the "Lost Colony" believed to be within the footprint of Fort Raleigh National Historic Site in North Carolina.

Promising a "model where wilderness and ranching can coexist side-by-side," the National Park Service on Monday released the record of decision authorizing land-management changes for areas of Point Reyes National Seashore in California where livestock grazing is permitted within the park.

Since 1986, national park visitors across the country have turned to the Passport To Your National Parks program to preserve cherished memories of their park travels by collecting ink cancellations at every national park they visit. This year the program is celebrating its 35th birthday. For 35 years, the Passport to Your National Parks program has assisted visitors explore and protect the vast natural, cultural, and historic treasures of America.