This is the web site based on the PBS “Building Big” program. Explore-It-All Science Center sends this movie to schools as an initiating activity to its "Building Bridges" visit.
A “Bridge of the Month Quiz.” Participants are asked to identify a bridge by name and geographic location based on a photograph. Winners are drawn from correct entries at the end of the month. A lot of fun.
Take a Tour of the Solar System, discover the constellations, and explore the wonders of the universe on this non-profit site that also has an ocean section.
How many of the 20th century's greatest engineering achievements will you use today? Explore our list of the top 20 technological achievements and learn how engineering shaped a century and changed the world.