So if you had plans to visit any national parks, monuments or museums, some will be closed. Photos: Yellowstone: Our first national park Photos: Yellowstone: Our first national park Yellowstone: Our first national park – Yellowstone National Park was the nation's first national park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Hide Caption 9 of 9Yellowstone National Park said the park was still accessible but government-run operations and facilities are closed. "Park visitors are advised to use extreme caution if choosing to enter Rocky Mountain National Park, as National Park Service personnel will not be available to provide guidance or assistance. #governmentshutdown — Smithsonian (@smithsonian) January 20, 2018President Lincoln's Cottage in Washington, D.C. tweeted that it would be open despite the shutdown.

Source: CNN January 22, 2018 11:48 UTC