Grand Canyon: Top Photos

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

The Grand Canyon is a steep sided gorge formed by the Colorado River in northern Arizona, United States. View to Angels Window on the North Rim of Grand Canyon. (on horizon is Cedar Mountain, ~18 km,
The Grand Canyon is a steep sided gorge formed by the Colorado River in northern Arizona, United States. View to Angels Window on the North Rim of Grand Canyon. (on horizon is Cedar Mountain, ~18 km,… © Nikater, Public domain, via Wikimedia Commons

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