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Lake Clark National Park, Alaska. Photo by .

The Wilderness Act, which protected 9.1 million acres of mountains, forest, coastline, and other land, turned 50 this month.

There’s no better way to celebrate these wild and protected places than to visit them. But then … some weekends are for laundry.

Luckily, many of the government departments responsible for the caretaking of protected places have gotten out their smartphones and opened Instagram accounts where staff, professional photographers, and other users post quite amazing photos.

Below, you’ll find photos from some of our favorite Instagram accounts that document the beauty of our public lands. Enjoy—and happy 50th anniversary, wilderness!

1. Glacier National Park Service

Going-to-the-Sun Mountain, Colorado. Photo by 

2. Yosemite National Park Service

Canhalagua flowers at Yosemite National Park, California. Photo by 

3. Rocky Mountain National Park Service

Chaos Canyon, Colorado. Photo by Wes Walker,

4. United States Department of the Interior

Joshua Tree National Park, California. Photo by Brad Sutton,

5. Bureau of Land Management

Salmon Falls Reservoir, Rogerson, Idaho. Photo by Austin Catlin,

We’ll give this grizzly bear—photographed by Department of the Interior—the last word (or wave).

Grizzly bear in Lake Clark National Park, Alaska. Photo by Kevin Dietrich, .

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