While hundreds of parks are free to enter, others use timed entry and other reservation methods to control crowds — but that also means you may need to secure your spot well in advance.

Alaska is full of nature, but many places can be hard to get to. This lake is not only beautiful, but it's also accessible, ...

John Lyle, formerly of Fairbanks and now living in Hawaii, sent photos from the 1990s of snow oozing off his late friend Bill ...