The National Park System is an essential laboratory—and also a battleground—in the management of invasive pests.

There are many faces to winter in a national park. Some park units have no snow, while others host feet of the fluffy white stuff. On sunny days, the atmosphere is clear and sharp, producing saturated colors for your camera. On not-so-sunny days, your camera’s LCD lens might be filled with varying shades of gray and white. Contributing photographer Rebecca Latson provides examples of what you might see through your camera’s lens and how to prepare for winter photography in a national park.

Canyonlands, Great Sand Dunes, Sequoia, and Guadalupe Mountains national parks were all established during the month of September. It’s also the birthday month for notable George Bird Grinnell. So, guess what this latest National Parks Quiz and Trivia piece is all about?

Fall is that magical time of year when the air is crisp and clear and the leaves in many park units change from summer green to saturated shades of yellow, gold, orange and red. In this month’s column, contributing photographer Rebecca Latson discusses capturing those colors in your national park photography.