National Park Service employees remove barricades from the grounds of the Lincoln Memorial in Washington, Thursday, Oct. 17, 2013. Barriers went down at National Park Service sites and thousands of furloughed federal workers began returning to work throughout the country Thursday after 16 days off the job because of the partial government shutdown.(AP Photo/Susan Walsh)
National Park Service Director Jonathan B. Jarvis has been subpoenaed to testify before Congress on decisions he made regarding the closing of national parks during the government shutdown. (Associated Press)
The National Park Service announces that it has entered into an agreement with Arizona that will allow Grand Canyon National Park to reopen amid the government shutdown. (National Park service via Associated Press)
A National Park Service ranger stops a tourist from entering the World War II memorial during its closure due to the government shutdown in Washington, DC., Wednesday, October 2, 2013. (Andrew S Geraci/The Washington Times)
World War II veterans take photos of the National World War II Memorial from behind barricades after the National Park Service closed monuments and national parks because of the government shutdown on Tuesday, October 1, 2013, in Washington. (Andrew S. Geraci/The Washington Times)
Park rangers on Friday were turning away people who want to visit the Pisgah Inn on the Blue Ridge Parkway in an effort to enforce the National Park Service's decision to shut down the private establishment during the government shutdown. A Times reader sent in photos of the rangers blocking the entrance. (Image provided by Sloane Salzman)