Download or read book What Are the 7 Natural Wonders of the United States? written by Cheryl L. Defries and published by Enslow Publishing, LLC. This book was released on 2013-01-01 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as an introduction and overview of the seven natural wonders of the United States. It discusses how many of these marvels have been created over millions of years. Glaciers, water, ice, wind, erosion and the movement of the earth's plates have produced them.