There are a number of social, emotional, and physiological reasons why teenagers start smoking, and why they continue smoking into adulthood. Help class members understand why smoking begins in youth—and how to protect themselves from...

(1839-1876) American general that lead 277 troopers to be slaughtered by a group of Indians.

The site consists of four large groups of stone circles that represent an extraordinary concentration of over 1,000 monuments in a band 100 km wide along some 350 km of the River Gambia. The four groups, Sine Ngayene, Wanar, Wassu and...

The property numbers more than 30 islands clustered in three groups and covers surface area of 7,939 hectares. The islands offer a variety of landscapes and are home to a wealth of fauna, including the Bonin Flying Fox, a critically...

Five hundred years of Ryukyuan history (12th-17th century) are represented by this group of sites and monuments. The ruins of the castles, on imposing elevated sites, are evidence for the social structure over much of that period, while...

The ruins at Balbec in Syria lie amidst desolate mountains, forty miles from the sea. They consist of a group of shattered temples crowning the ancient acropolis. Six massive columns nearly one hundred feet high, supporting a marble...