@CNN: From violent volcanic eruptions to the slow movement of wind and water, the forces of nature have made the United States — particularly the western half of the country — a showcase for awe-inspiring rock formations https://t.co/qjrM5AFVuj via @CNNTravel https://t.co/Adj5qCzrM0

From violent volcanic eruptions to the slow movement of wind and water, the forces of nature have made the United States — particularly the western half of the country — a showcase for awe-inspiring rock formations https://t.co/qjrM5AFVuj via @CNNTravel pic.twitter.com/Adj5qCzrM0

— CNN (@CNN) July 18, 2018