The World's Greatest Geological Wonders: 36 Spectacular Sites

[1] Santorini: impact of volcanic eruptions [2] Mount Fuji: steeping power [3] Galapagos Rift: wonders of mid-ocean ridges [4] African Rift Valley: cracks into the Earth [5] Arta Ale: compact fury of lava lakes [6] Burgess Shale: rocks and the keys to life [7] Grand Canyon: Earth's layers [8] Himalayas: mountains at Earth's roof [9] Ganges delta: earth's fertile lands [10] Amazon Basin: lungs of the planet [11] Iguazu Falls: thundering waterfalls [12] Mammoth Cave: worlds underground [13] Cave of Crystals: exquisite caves [14] Great Blue Hole: coastal symmetry in sinkholes [15] Ha Long Bay: dramatic karst landscapers [16] Bryce Canyon: creative carvings of erosion [17] Uluru/Ayers Rock: sacred nature of rocks [18] Devils Tower: igneous enigmas [19] Antarctica: a world of ice [20] Columbia Glacier: unusual glacier cycles [21] Fiordland National Park: majestic fjords [22] Rock of Gibraltar: catastrophic floods [23] Bay of Fundy: inexorable cycle of tides [24] Hawaii: volcanic island beauty [25] Yellowstone: geysers and hot springs [26] Kawah Ijen: world's most acid lake [27] Iceland: where fire meets ice [28] Maldives: geologic paradox [29] Dead Sea: sinking and saintly [30] Salar de Uyuni: flattest place on Earth [31] Namib/Kalahari Deserts: sand mountains [32] Siwa Oasis: paradise amidst desolation [33] Auroras: light shadows on the edge of space [34] Arizona Meteor Crater: visitors from outer space [35] A Montage of geologic mini-wonders [36] Planetary wonders: out of this world