World's Greatest Wonders is an illuminating visual guide to 30 stunning man-made and natural wonders--with annotated 3-D reconstructions and cutaway models from various stages in human development that allow you to journey right to the heart of each of them.
We live on a unique planet.
The only one that we know of that has life.
Amidst the budding civilizations and testaments to human creativity and ingenuity, great geological and ecological diversity have surrounded us.