Wildflower season is about to bloom in Great Smoky Mountains National Park, and the National Park Service wants to remind visitors that there are group size limits at Whiteoak Sink.

What if you only had a day or two, to spend in Yellowstone National Park? Where would you go? What would you photograph? If you decide to travel the park’s 142-mile Grand Loop Road, a figure-eight shaped route through the park interior, you’ll see (and photograph) plenty. Contributing photographer Rebecca Latson gives you an idea of what you might capture with your camera.

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you have to dig into the ground to get the answer.

Spending time in Yosemite Valley at Yosemite National Park in California is a great introduction to this national park. But there is so much more to see and do within it’s 1,200 square miles of rivers, meadows, forests, and granite hills of the High Sierra.