Other
The Academy of Natural Sciences
This site describes the museum. It shows the viewer what is currently on exhibit, interesting facts, and many links to other exhibits.
Other
Houston Institute for Culture: Early Texas History: Spanish Exploration
Read about Cabeza de Vaca, one of the first Europeans to extensively explore Texas after an accidental landing at Galveston Island.
University of Calgary
University of Calgary: Ming Dynasty's Maritime History
This site provides a discussion from the University of Calgary of the extensive maritime voyages taken during the Ming dynasty. A map is included.
TED Talks
Ted: Ted Ed: The Dangerous Race for the South Pole
After two Americans staked claim to reaching the North Pole, a Norwegian explorer and a British naval officer each set out for the last unmapped region in what newspapers called a "Race to the Pole." Elizabeth Leane sets the scene for...