The Grand Canyon, Northern Arizona, the United States -- The Columbia River Gorge, Northern Oregon and Southern Washington, the United States -- The three gorges of the Yangtze River, Hubei Province and Sichuan Province, Southern China -- Peonera canyon, Aragón Province, Northeastern Spain -- Windjana Gorge, the Napier Range, Northwestern Australia -- Monterey Canyon, Monterey Bay, Central California, the United States -- Zion Canyon, Southwestern Utah, the United States -- Fish River Canyon, Namibian Highland, Southern Mabibia -- Chaco Canyon, Northwestern New Mexico, the United States -- Canyon Diablo and Meteor Crater, Northern Arizona, the United States.
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