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Arizona Map: Regions, Geography, Facts & Figures
When you look at the map of Arizona, you can see that it is a U.S. state located in the southwestern region of the country. The state is known for its diverse geography, which includes the Grand…Grand Canyon
(Encyclopedia) Grand Canyon, great gorge of the Colorado River, one of the natural wonders of the world; c.1 mi (1.6 km) deep, from 4 to 18 mi (6.4–29 km) wide, and 217 mi (349 km) long, NW Ariz. The…Ten Most Visited National Parks, 2006
Rank Name and location Numberof visitors 1. Great Smoky Mountains National Park, Tenn. 9,289,215 2. Grand…The Top Ten: Most Visited American National Park Sites
Most Visited U.S. National Parks Rank Name, location Visitors (in millions) 1. Great Smoky Mountains National Park, Tenn. 12.5 2…World Heritage Sites in the United States
The United Nations Educational, Scientific, and Cultural Organization (UNESCO) has identified 878 World Heritage sites that it considers of “outstanding universal value.“ In the United States…environmentalism
(Encyclopedia) environmentalism, movement to protect the quality and continuity of life through conservation of natural resources, prevention of pollution, and control of land use. The philosophical…