Morning Glory Pool, Yellowstone National Park
The distinct color of the pool is due to bacteria which inhabit this hot spring in the Upper Geyser Basin. On a few rare occasions the Morning Glory Pool has erupted as a geyser, usually following seismic activity.
"The Eyes of God"
"Prohadna" cave in Bulgaria is a natural lighted tunnel, with a unique phenomenon called "Oknata" or "The Eyes of God" - two symmetrical openings in the ceiling.
Bingham Canyon Mine
Bingham Canyon Mine in Kennecott, Utah, is an open-pit copper mine - the largest man-made excavation on earth.
Fourth Edition Now Available!
Welcome to the Wonderful World of Geography, by Brenda Brewer Runkle
The Twelve Apostles (Victoria, Australia)
The Twelve Apostles is a collection of eight miocene limestone rock stacks off the shore of the Port Campbell National Park, by the Great Ocean Road in Victoria, Australia.
At the moment, Icelandic volcano Eyjafjallajokull appears to be dormant.