More from the MuseumTour expert:
American Indian legend tells of the mighty Tomanowos, or "bridge built by the gods" that once spanned the Columbia river between Washington and Oregon. The bridge fell centuries ago, but rubble is supposedly still visible in the river bed.
Span 3,000 Years of Bridge Building History
Discover the origins and structural connections of more than 100 of the world's greatest bridges. Arranged chronologically, this beautifully illustrated and photographed book starts in ancient Rome and China and travels through bridge-building history to the modern world. 208 pages. Ages 12 and up.
5498 - Bridges - $29.95
