"But the next thing is, you know — it's troubling that the people we voted in are not doing the job that they're supposed to be doing. So, it's very frustrating," he said.
In Yellowstone, cross-country skier Carol Weaver was unhappy with lawmakers, even though the park was open for her and nine friends who planned a two-day visit.
Weaver, from Bozeman, Montana, worried about what would happen if the impasse is lengthy.
"This is our public land, and we should be able to use it any time we want," she said. "Congress better get its act together. They've been so irresponsible the last year, as well as the White House."
Yellowstone had 2 inches of fresh snow on Saturday and temperatures were in the teens. Visitor centers and other facilities run by the National Park Service were closed, but privately operated hotels, tour services and gift shops were open.
Xanterra Parks & Resorts and other private companies that serve visitors at Yellowstone said they would groom the park's snow-packed roads for up to a week to keep them open for snowmobiles and snow coaches — small buses with tank-like tracks.
In Philadelphia, the Liberty Bell and Independence Hall — where the Declaration of Independence and the Constitution were signed — were closed.
Gaetana Dimauro of Adelaide, Australia, wasn't aware of the government shutdown when she went to see the Liberty Bell.
"That's bad though," she said. "I never heard of that before."
In Boston, the USS Constitution, the 220-year-old warship anchored at Charlestown Navy Yard, was open to visitors. But the site of the Revolutionary War Battle of Bunker Hill was closed.
Martin Luther King Jr.'s childhood home in Atlanta was closed, along with historic Ebenezer Baptist Church and the visitor center at MLK National Historic Site, The Atlanta Journal-Constitution reported.
A monument and museum dedicated to the victims of the 1995 Oklahoma City bombing, however, stayed open. Kari Watkins, executive director of the Oklahoma City National Memorial and Museum, said the center is affiliated with the National Park Service but is owned and operated by the Oklahoma City National Memorial Foundation.
In New Mexico, parts of Bandelier National Monument's cliff dwellings and fragile archaeological sites were off-limits to protect them from damage, but the entrance road and some trails were open.
Rocky Mountain National Park in Colorado and Yosemite National Park in California were open, but few Park Service staff were available to help visitors.
A storm moving into Colorado Saturday was expected to drop up to 18 inches of snow, and Rocky Mountain National Park spokeswoman Kyle Patterson said crews would not plow the roads.
In Florida, the western entrance to Everglades National Park was closed but boat tours were still operating, the Naples Daily News reported .