From Acadia in Maine to Zion in Utah to the North Cascades in Washington, America's 401 national park areas have gates blocking entrance roads.
The last remaining campers and hotel guests in the parks must leave Thursday, and park rangers will patrol to keep others out.
The national parks "belong to the American people, and the American people should have the right to come in," says National Park Service Director Jonathan Jarvis. "But the only way I can protect these places during this period is to shut them down."
Palestinians inspect trucks loaded with iron arriving from Israel through the Kerem Shalom border crossing into Rafah, southern Gaza Strip, on Sept. 22. The delivery of the materials to the private sector is a first since the Hamas takeover in 2007.
Credit Ahmed Abu Hamda / NPR
Untreated sewage from Gaza flows directly into the Mediterranean Sea. This has long been a problem, but authorities say the amount of untreated sewage being dumped into the sea had been falling before the current fuel crisis.
People get information on California's health exchange at a table at Union Station in Los Angeles on Tuesday, the exchange's opening day.
Credit Sarah Varney
Pardit Pri was excited to learn the new health insurance exchanges could help her.
Credit Sarah Varney
Pardit Pri had health insurance until she quit her job as a legal administrative assistant to stay home with a new baby. Now that baby is 20 months old, and the Orange County, Calif., resident still hasn't found a job with insurance coverage.
Pardit Pri had health insurance until she decided to quit her job as a legal administrative assistant and stay home with her newborn son 20 months ago. She thought she'd have coverage by now. But it didn't work out that way.
"I knew that I wasn't going to be working for a while because I decided to stay home with my son, and I thought ... 'OK, fingers crossed. Nothing will happen during that time,' " she says, as she plays with her son in their Orange County, Calif., apartment.
After more than two decades in city government, Bill Averill has a pretty impressive mental inventory of Milwaukee real estate. He started in the city assessor's office when he was 34, after leaving a private sector job that paid better but had no retirement benefits.
"That was one of the main reasons I went to work for the City of Milwaukee," he says. "And so I knew the pension at some time, way out in the future, would be a benefit to me."