Explorers
Link Elementary School
Cybersleuthkids Explorers on the Web
Early Explorers - list of web sites
1492: An Ongoing Voyage - an exhibit of the Library of Congress offers a guided tour through the world of 1492. This site does not offer rich graphics but it is rich with textual information and a spatter of original maps and drawings from 1492.
Half Moon History - Henry Hudson - and more on the New Netherland's colony, and Peter Stuyvesant.