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In the Atlantic Ocean off the Florida Keys, Jim Zachos of the Univ of California, Santa Cruz, holds a replica of a core sample from the Atlantic Ocean sea floor. The core shows the PETM period.
Holland America Line ms Noordam embarks from New York on February 7, 2007.
The setting sun lights up a "rauk," a limestone formation in the waters off Gotland, an island of Sweden.
Aerial of the twisting Mississippi river between its source at Lake Itasca and Bemidji Lake during sunset hour.
Aerial of the twisting Mississippi river between its source at Lake Itasca and Bemidji Lake during sunset hour.
Aerial of the twisting Mississippi river between its source at Lake Itasca and Bemidji Lake during sunset hour.
Aerial of the twisting Mississippi river between its source at Lake Itasca and Bemidji Lake during sunset hour.
See photo in original gallery.
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