National park photography is a great educational tool, teaching both the viewer and photographer about the natural and cultural history of a particular park. The more you learn about a national park, the more thought and care you'll apply to composing a shot of something sparking your curiosity. Contributing photographer Rebecca Latson provides examples of what she has learned about the geology of Arches, Canyonlands, Zion, and Bryce Canyon national parks, while offering tips and techniques for framing that perfect composition of whatever it is that encourages you to learn more.

A week after a vigorous thunderstorm rolled through Zion National Park, some popular trails remain closed as park staff continue to make repairs and conduct cleanup.

Three inches of rain turned the Virgin River in Zion National Park into a raging torrent, while rock and mud slides have blocked the Zion-Mount Carmel Highway in the park.

That headline is a good suggestion, but is it entirely possible not to leave any trace as you go about hiking, camping, wildlife viewing, and engaging in other recreation activities in officially designated wilderness areas, and landscapes in the National Park System that are managed as de facto wilderness? What can you do, personally, to limit sign of your passage through wilderness?