Google Earth layers offer fascinating visual depictions of our world. One thing to note is that Google frequently updates this information by revising layers or publishing entirely new layers. So be sure to check for new content when you browse in Google Earth.
Recently, Google published the following:
USHMM: Crisis in Dafur - (under Global Awareness) Created with the U.S. Holocaust Memorial Museum, this layer describes the genocide emergency in Dafur, Sudan. Learn more about the genocide and what you can do to help. Learn more.
Trimble Outdoor Trips - (under Featured Content) According to Trimble, "this shows wide variety of data on fitness and outdoor adventures, including routes, GPS tracks, points of interest, trailhead directions, trail descriptions, photos, video and audio clips". Learn more.
100% Pure New Zealand - (under Travel and Tourism) This is a breathtaking collection of photos and descriptions of popular and less known destinations in New Zealand. Learn more.
Learn more about using layers.