18 more
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Whaling Season: A Year in the Life of an Arctic Whale Scientist -
The Lost World of the Anasazi -
Jack London and the Klondike Gold Rush -
Sweat of the Sun, Tears of the Moon: A Chronicle of an Incan Treasure -
Lost Treasure of the Inca -
Amazon -
First dive to shark dive -
Hudson River -
Everglades -
Locked in Ice -
Rio Grande: From the Rocky Mountains to the Gulf of Mexico -
Arctic Thaw -
Hidden World of the Aztec -
On the Texas trail of Cabeza de Vaca -
Mississippi River -
The lost treasure of Captain Kidd
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Yukon River -
On the Trail of Lewis and Clark: A Journey up the Missouri River