Natural Forms and Structures http://www.ul.ie/~gaughran/Gildea/page1.htm
A Sightseer's Guide to Engineering http://www.engineeringsights.org/
Land Formation Activity http://www.earthkam.ucsd.edu/public/students/activities/landformations/
The Seven Wonders of the Ancient World http://www.unmuseum.org/wonders.htm
Archive of Architecture http://www.bc.edu/bc_org/avp/cas/fnart/arch/default.html
Geometric Shapes in Architecture http://www.yale.edu/ynhti/curriculum/units/1983/1/83.01.07.x.html
Shapes Lab http://www.pbs.org/wgbh/buildingbig/lab/shapes.html
HowStuffWorks - Engineer Anything http://www.howstuffworks.com/engineering-channel.htm
Architectural Resource & Reference Collection http://www.loggia.com/designarts/architecture/architecture.html
The Seven Wonders http://library.thinkquest.org/23378/main.html?tqskip1=1
How Bridges Work http://www.howstuffworks.com/bridge.htm
Bridges, Domes, Skyscrapers, Dams, Tunnels http://www.pbs.org/wgbh/buildingbig/
Think Quest - Famous Buildings http://library.thinkquest.org/J001664/Index.html
Great Buildings Collection http://www.greatbuildings.com/buildings.html
Earthquake Resistant Structures http://www.geocities.com/eqdeak/
Fun and Learning About Bridges http://www.bridgesite.com/funand.htm
Bridges, Domes, Skyscrapers, Dams, Tunnels http://www.pbs.org/wgbh/buildingbig/lab/loads.html
Building Safer Structures http://quake.wr.usgs.gov/prepare/factsheets/SaferStructures/
Ask Dr. Universe http://www.wsu.edu/DrUniverse/Contents.html
