Trains pass over all types of bridges to get where they're going, including typical steel girder and truss bridges seen all across America, trestle bridges, and even viaducts (think the Hogwarts ...

Sound Transit began light rail testing on the I-90 floating bridge in Seattle Wednesday. The unpowered car was pulled from the Mercer Island station to the Judkins Park station. Sound Transit says ...

There are some pretty quirky and cool facts about Washington State. For example, it's home to America's third longest lava tube. Also, its largest city, Seattle, boasts five of the world's 20 floating ...