Locked doors, cancelled tours: US national parks suffer amid shutdown

Visitors face 'disruption and disappointment' as states scramble to keep key sites open

The doors remained locked at Fort McHenry National Monument in Maryland, the birthplace of the US national anthem. In Georgia, the Fort Pulaski National monument announced it would be closed except for one boat ramp. At Washington's Mount Rainier national park, ranger-led snowshoe walks were cancelled.

And at the Rosie the Riveter/WWII Home Front National Historical Park in Richmond, California, a scheduled talk by the nation's oldest park ranger, 97-year-old Betty Reid Soskin, had to be called off.