NPCA Photos:
An unreadable interpretation sign at Ebey's Landing National Historical Reserve (Photo Credit: NPCA/Rob Smith)
NPCA Photos:
Crumbling walkway at Morefield Campground at Mesa Verde National Park (Photo: NPCA/Joan Frankevich)
NPCA Photos:
Crumbling footpath at Yellowstone National Park (Photo: NPCA/Joan Frankevich)
NPCA Photos:
Cracks in the foundation at Federal Hall National Memorial (Photo: NPCA/Cherylynn Tsushima)
NPCA Photos:
Paint peeling on ceiling at Federal Hall National Memorial (Photo: NPCA/Cherylynn Tsushima)
NPCA Photos:
Water stains in the structure at Federal Hall National Memorial (Photo: NPCA/Cherylynn Tsushima)
NPCA Photos:
A closed portion of the pier at San Francisco Maritime National Historical Park (Photo Credit: NPCA/Elizabeth Ackley)
NPCA Photos:
Crumbling footpath at Yellowstone National Park (Photo: NPCA/Joan Frankevich)
NPCA Photos:
A leak in a water line at Grand Canyon National Park (Photo Credit: Jan Kaplan)