Nature (Y)

The origin of life on Earth is not well understood, but it is known to have occurred at least 3.5 billion years ago, during the hadean or archean eons on a primordial Earth that had a substantially different environment than is found at present. These life forms possessed ...

Yellow Brick Road, California Poppies

Yellow Brick Road, California Poppies

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Yellow Garden Flowers

Yellow Garden Flowers

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Yellow Leaves on Tree in Autumn Photo

Yellow Leaves on Tree in Autumn Photo

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Yellowstone Falls, Yellowstone National Park, Wyoming

Yellowstone Falls, Yellowstone National Park, Wyoming

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Yellowstone Lake, Yellowstone National Park

Yellowstone Lake, Yellowstone National Park

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Yellowstone National Park, Wyoming

Yellowstone National Park, Wyoming

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Yellowstone River in Hayden Valley, Wyoming, USA

Yellowstone River in Hayden Valley, Wyoming, USA

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Yosemite Falls, California, North America

Yosemite Falls, California, North America

1024x768, 347K

Yosemite National Park, California, USA

Yosemite National Park, California, USA

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Yosemite Valley, Tunnel View, California

Yosemite Valley, Tunnel View, California

1024x768, 201K

Yucca Tree, White Sands National Monument, New Mexico, USA

Yucca Tree, White Sands National Monument, New Mexico, USA

1024x768, 171K

Found 11 wallpapers