BBC
Bbc Newsround: Ancient Inca Roads Given World Heritage Status
UNESCO selects important historical locations for preservation. Learn why roads from the Inca culture are now a World Heritage site.
Other
Peru Cultural: The Incas
An award winning site that uncovers the lost Incan civilization. Features include history, administration, technology, arts, and maps. A sophisticated account of the Incas that is well worth a visit.
University of St. Andrews (UK)
University of St. Andrews: Mac Tutor History of Mathematics Archive
The University of St. Andrews, Scotland, presents hundreds of biographies of famous mathematicians, histories of math in various cultures, and interesting facts on the development of important math concepts. This is a huge reference....