Grand Canyon: Top Photos

Two billion years of Earth's history cut open by a river

View from the South Rim of the Grand Canyon, Arizona, USAGrand Canyon National Park in the US state of Arizona was declared a national park in 1919 and is one of the most famous protected areas in the
View from the South Rim of the Grand Canyon, Arizona, USAGrand Canyon National Park in the US state of Arizona was declared a national park in 1919 and is one of the most famous protected areas in… © Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons

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