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America's Most Endangered Places 2007

Brooklyn's Industrial Waterfront among American sites most at risk by Mark Zurlo Greer Spring, Mark Twain National Forest, Missouri America's Most Endangered Places America's Most Endangered…

April 2000 News and Events

WorldBeijing Court Frees Researcher (April 3): In reversal, quashes conviction of Chinese-born Stanford University scientist, Hua Di, who had been jailed for more than two years for “…

U.S. Landmarks Timeline

Find out when some of the most historical sites in the U.S. became national landmarks. by Jennie Wood The U.S. began the National Historic Landmark Program to recognize and preserve the…

conservation of natural resources

(Encyclopedia) conservation of natural resources, the wise use of the earth's resources by humanity. The term conservation came into use in the late 19th cent. and referred to the management, mainly…

The Washington Monument: Facts, History & Profile

Top of Page Image Source: Getty ImagesFast Washington Monument Facts Height: 555 feet and 5⅛ inches (169.3 m) Base width: 55 feet (16.76 m) Top width: 34 feet (10.36 m) Weight: 90,854 tons (82,…

Ancient Chocoholics

—Holly Hartman In July 2002, an international team led by French paleontologist Michel Brunet announced the discovery of a humanlike skull that may be up to seven million years old, twice as old…

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…

The Statue of Liberty: Facts, History & Profile

Top of Page Image Source: Getty ImagesFast Statue of Liberty Facts Height: The statue stands at a total of 305 feet, with 151 feet for the statue itself.  Weight: The statue weighs 225 tons or…

U.S. Features

Recent Features Biography | Business | Entertainment | Health & Science | History & Gov't | Society & Culture | Sports | United States | World Jump to: A…

The Grand Canyon: Facts, History & Profile

Top of Page Image Source: Getty ImagesFast Grand Canyon Facts Length: 277 miles (446 km) Width: 18 miles (29 km) at widest point Depth: 1 mile (1.6 km) deep Age: Estimated to be between 5-6…