This Piece of Rock In The Grand Canyon Revealed A Vital Piece of History

Seven Natural Wonders of The World

Formed by the waters of the Colorado River, the Grand Canyon is recognized as one of the Seven Natural Wonders of the World. It’s no surprise, given how stunning it truly looks. Even former US President Theodore Roosevelt named it one of the greatest sights every American should see.

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Geologists say the canyon got its current depth around 1.2 million years ago when the floods and the last bouts of the ice age finally ended. This was also the place where Allan Krill would make his fascinating discovery.