Locations of American whaling vessels from 1790-1924, based on a sample of whalers' log books.
Many American whaling vessels kept records of their daily locations and details of their whale catches. Days without any catches are represented with light blue dots. Dark blue dots represent sperm whale catches; red dots represent right whale catches; purple dots represent humpback whale catches; green dots represent bowhead whale catches; orange dots represent gray whale catches; yellow dots represent unspecified whale catches.
For more information see our interview with Tim Smith, with the U.S. National Marine Fisheries Service.
Credit: Smith, Tim D, Judith N Lund, Elizabeth A Josephson, Randall R Reeves. In press. Spatial Dynamics of American Offshore Whaling in the 19th Century: Were sperm whales depleted? Whaling and History III. Kommander Chr. Christensens Hvalfangstmuseum, Sandefjord, Norway.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
In 1927, the Mississippi River flooded from New Orleans to Illinois, leaving a million people homeless and leading to a major black migration to the North.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
The contradictory history of a dam that became a statement of American power and prestige.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.