By now you've probably noticed the messages making their way around the Internet about how gift shops at Grand Canyon National Park in Arizona are selling a book called "The Grand Canyon: A Different View." The book argues the park was created 4,500 years ago as a result of Noah's flood. Park guides have also stopped providing official estimates of the canyon's age and the National Park Service has banned publication for a ranger's guide that reminds them there is no scientific proof of creationism. The rumors are true and you can read about them here .