This site is created by National Geographic. It contains lesson plans, activities, atlases, etc. It links to U.S. national geography standards. Nice resource.
This site has a collection of flage printouts and different activities to do-great source. There is also a bunch of materials for Geography (you name it-probably be able to find).
Australian Social Science content standards and curriculum outlined. Compared to MN Standards is much broader categories of understanding and way fewer standards to meet in any grade.
This is just a fun website that students can use to answer questions regarding world geography. When you answer questions right, rice will be donated to world food programs to help fight hunger.
Here is an example of lesson materials for a unit in geography and literature developed within Google Earth. Students take a tour of the places that are traveled to in Google Earth while being prompted with appropriate questions and content links for each chapter of the text. Really fun.