Yale University
Ynhti: An Excursion to Cities of Mysterious Pasts
A learning unit which explores both the modern city of Mexico City and the cities that lie hidden underneath: Tenochyiylan and Teotihuacan.
Other
African American Inventors Who've Changed Your Life (Pdf) [Pdf]
Integrated lesson plan focusing on the contributions that African American inventors have made to modern society. Includes rationale, day by day plan, links, and other information.