Engineering - Bridges, Buildings, ...
(middle school)

Discovery Online: Buildings, Bridges, and Tunnels - http://www.discovery.com/stories/technology/buildings/buildings.html From the Discovery Channel, a fascinating look into the engineering marvels behind the world's tallest buildings (Skyscrapers: Going Up), longest bridges (Reaching Out), and greatest tunnels (Digging In). Includes video clips and web links.
 
High-Rise Pages - http://www.xs4all.nl/~hnetten/ The High-Rise Pages is an online high-rise archive containing all sorts of information, links and pictures of the tallest buildings, skyscrapers, tv-towers, bridges, churches, monuments and other tall structures from all over the world.
 
Library of Congress Vatican Exhibit - http://www.ncsa.uiuc.edu/SDG/Experimental/vatican.exhibit/Vatican.exhibit.html In the Renaissance the popes returned to the See of Saint Peter. Popes and cardinals straightened streets, raised bridges across the Tiber, provided hospitals, fountains, and new churches for the public and splendid palaces and gardens for themselves.
 
Physics from Lampeter-Strasburg - http://www.lampstras.k12.pa.us/hschool/physics/home.html This page's goal is to help students gain a better understanding of the laws of Physics. We have investigated the following Laws and Principles of Physics: stress, gravity, bridges and momentum.The Bridge Challenge
 
The Seven Wonders: Modern Wonders - http://ce.eng.usf.edu/pharos/wonders/ Modern engineering wonders of the world: bridges, buildings, and other structures.

Building Big - http://www.pbs.org/wgbh/buildingbig/  includes great facts and challenges spanning bridges, domes, skyscrapers, dams, and tunnels. Try some experiments while you're here or meet some engineers. From PBS.

American Experience: Secrets of a Master Builder - http://www.pbs.org/wgbh/amex/eads/ learn all about engineer James Buchanan Eads on this PBS site. View a timeline of his life, see his architectural photos, and even watch a video of the St. Louis Bridge.