In the Footsteps of Marco Polo
- Interactive journey of Marco Polo, provided by the Metropolitan Museum of Art.
- http://www.metmuseum.org/explore/Marco/index.html

Age of Exploration Timeline
- A simple chronology of exploration from 3200 B.C. - 1779 A.D.
- http://www.mariner.org//educationalad/ageofex/timeline.php

European Voyages of Exploration
- Richly illustrated site looks at the factors that contributed to 15th and 16th century exploration and the individuals, as well as the roles Spain and Portugal.
- http://www.ucalgary.ca/applied_history/tutor/eurvoya/

The Age Of Discovery
- Shareware Hypercard stack designed to introduce young children to the era.
- http://www.bry-backmanor.org/explorerstack2.html

Latitude: The Art and Science of Fifteenth-Century Navigation
- A look at the tools, history, and knowledge 15th-century navigators had at their disposal as they set out in uncharted waters.
- http://www.ruf.rice.edu/~feegi/

The Conquistadors
- Online learning adventure retraces the footsteps of four Spanish explorers. From PBS.
- http://www.pbs.org/opb/conquistadors/