Norris Geysir Basin
Wyoming


                                                      Yellowstone National Park
Geysir beim Ausbruch

Morning Glory Pool
Färbung der Felsen durch Algen und Bakterien
Norris Geysir Basin
Norris  Geysir Basin


Mammoth Hot Springs
Mammoth Hot SpringsMammoth Hot Springs

Grand Canyon of the Yellowstone
Grand Canyon of the YellowstoneGrand Canyon of the Yellowstone
                                                                            Devils Tower
Devils Tower