Updated Dec. 18 at 5:28 p.m. ET
Planning a trip to the Grand Canyon over the coming holidays?
You might want to have a Plan B ... or at least bring your own trail maps.
While the Grand Canyon, along with the rest of the national park system, is expected to remain open in the case of a government shutdown, visitor centers at the facilities probably won't. And some iconic sites, including the Statue of Liberty, may be closed altogether if the park service follows past practices.