This PBS site has interactive labs that demonstrate forces, materials, loads and shapes. You can apply this information to building bridges, domes, skyscrapers, dams, and tunnels in simulation. Very nice hands-on activities.
This site provides free content--materials, design center, processes, unit conversion, formulas, mathematics, career center, more--and membership areas.
Developed by a former computer science teacher, the site offers simple, clear explanations with graphics. The "ScienceStuff" channel includes engineering.
Overview, news, FAQs, links to articles and books, some in full text, such as Engines of Creation: The Coming Era of Nanotechnology by K. Eric Drexler, 1986.
U.S. Department of Labor site. "OSHA's mission is to ensure safe and healthful workplaces in America." Some OSHA programs target areas such as construction and manufacturing and build partnerships with industries to focus on specific hazards.
This branch of the military is involved in engineering projects all over the country dealing with wetlands protection, dam and reservoir construction, harbor maintenance, and more.