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