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America's Most Endangered Places
The Ellis Island Hospital in New York Harbor is among American sites most at risk America's Most Endangered Places America's Most Endangered Places 2011America's Most Endangered Places…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…10 Biggest Waterfalls in the World (Tallest, Widest, & Most Volume!)
Top of Page Source: iStockFew things in nature stir our senses like falling water. Whether it’s a gently babbling trickle or a raging torrent tumbling down the side of a mountain, waterfalls are…glacier
(Encyclopedia) glacier, moving mass of ice that survives year to year, formed by the compacting of snow into névé and then into granular ice and set in motion outward and downward by the force of…Worst U.S. Forest Fires
Great Balls of Fire 1871 Oct. 8-14, Peshtigo, Wis: over 1,500 lives lost and 3.8 million acres burned in nation's worst forest fire. 1889 June 6, Seattle, Wash.: fire destroyed 64 acres of the…Milestones in Environmental Protection
Preservation and conservation milestones in the United States by Holly Hartman 1840s–1860s 1870s–1880s 1890s–1920s 1930s–1960s 1970s 1980s 1990s 2000s Most Recent Entry…Fires and Explosions
Worst U.S. Forest Fires Whether you're talking about forest fires or kitchen fires, factory explosions or arson, when fires get out of control, the damage can be devastating. 1666…State of the Union Address: Theodore Roosevelt (December 5, 1905)
Theodore Roosevelt (December 5, 1905) To the Senate and House of Representatives: The people of this country continue to enjoy great prosperity. Undoubtedly there will be ebb and flow in such…