A giant cactus in Arizona 12 The Roosevelt Dam, Arizona, showing south bridge and spillway 17 Shoshone Project, Wyoming 25 The Grand Canyon of the Colorado 29 Grand View Trail 33 The Yellowstone National Park, Wyoming, looking down canyon from Grand Point 37 The Yellowstone National Park, Wyoming. Mammoth Hot Springs, Summit Pools 45 The Yellowstone National Park, Wyoming. Beehive Geyser 47 The Brontosaurus 53 The Allosaurus 55 Twenty-mule borax team 61 The Oroya Railroad, Peru, showing four sections of the road 73 Llamas resting 77 Silver-smelting works at Cassapalca, on the Oroya Railroad, Peru, 13,600 feet high 79 Fishing for sturgeon through the ice of the Ural River. Catching the material for caviare 83 Gathering salt at the mouth of the Ural River 87 Driving over the tundra in winter 91 Train on the steppes of Russia 95 Dunkar Spiti, Himalaya Mountains, India 99 Khaibar Pass, the gateway to India 107 On the sands of the desert 117 The yak not only serves as a beast of burden, but furnishes milk, butter, and meat 103 A group of Arabs with their dromedaries 111 A caravan crossing the desert on the road to Jaffa 125 Peary's ship, the _Roosevelt_ 137 Commander Robert E. Peary and three of his Eskimo dogs on the _Roosevelt_ 141 Musk ox 144 An antarctic summer scene 149 The penguin defies the cold 153 Street in Reykjavik, Iceland 163 North Cape, Iceland 167 Stone igloos on the bleak coast of Greenland 171 A large iceberg 173 A group of Eskimos in south Greenland 174 The Straits of Magellan. Cape Pilar is the extreme western end 177