Natural and Man-made Points of Interest in the United States of America

Landforms

Natural points of interst.

A picture of the Marble Canyon section of the Grand Canyon, from river-level.
The Grand Canyon was created by the Colorado River cutting a channel into the surrounding plateau over a period of about 6 million years.
Monument Valley, Utah.
The valley was carved out of the Colorado Plateau by ancient rivers which left the majestic buttes rising above the valley floor.

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