The National Park Service is entering uncharted territory. President Donald Trump's administration abruptly fired 1,000 employees from the agency last week, accounting for about 5 percent of its workforce.

Visitors to Colorado’s national parks this summer could find dirty bathrooms and closures at visitor centers and campgrounds if a federal hiring freeze does not thaw.

Colorado had nearly 5,000 employees working for public lands and wildlife agencies before federal employees' terminations hit last week.