The 10 most visited national parks are open during the government shutdown. Here's what to expect if you go.

• Many national parks are open during the government shutdown, including Yellowstone and Yosemite. • The 10 most visited parks are open to the public, though some have more services than others. • Most parks are operating with far fewer staff than usual, so not all usual services are available.

Many major national parks remain open to the public during the government shutdown. Still, exactly what "open" means varies from park to park — and it doesn't mean they're running like usual.

If a national park is open, it means the public can access it, but some offer more services than others. For instance, some parks are keeping visitor centers open while others aren't. Many aren't collecting entrance fees.

In general, parks will operate with a significantly smaller staff. Over 9,000 of th