SAND CREEK MASSACRE NATIONAL HISTORIC SITE, Colo. — Craig Moore knows that Sand Creek can be a hard sell, especially to a group of teenagers after their 2 1/2-hour drive from Denver. "This is no Disneyland, no Grand Canyon," Moore said. "This is a sacred place where horrible things, unspeakable acts took place."adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-TRAVEL","nativepaywallcategory" : "NATIVE_PREM-TRAVEL"};