There's a chapter each devoted to the following topics:
* Giza, Egypt, and Knossos, Crete
* Palenque, Mexico
* Mount Li, Xi'an, China
* Easter Island, Chile
* Stonehenge, England
* Medicine Wheels, United States and Canada
* Nazca Lines, Peru
* Great Zimbabwe, Zimbabwe
* Nan Madol, Federated States of Micronesia
