The World's Greatest Geological Wonders

Tour Earth's great diversity and beauty in this awe-inspiring course that visits the most amazing natural wonders in the world and explains the geology that underlies them.

• By This Professor
• 01: Santorini-Impact of Volcanic Eruptions
• 02: Mount Fuji-Sleeping Power
• 03: Galapagos Rift-Wonders of Mid-Ocean Ridges
• 04: African Rift Valley-Cracks into the Earth
• 05: Erta Ale-Compact Fury of Lava Lakes
• 06: Burgess Shale-Rocks and the Keys to Life
• 07: The Grand Canyon-Earth's Layers
• 08: The Himalayas-Mountains at Earth's Roof
• 09: The Ganges Delta-Earth's Fertile Lands
• 10: The 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 Landscapes
• 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: The Maldives-Geologic Paradox
• 29: The Dead Sea-Sinking and Salinity
• 30: Salar de Uyuni-Flattest Place on Earth
• 31: Namib/Kalahari Deserts-Sand Mountains
• 32: Siwa Oasis-Paradise amidst Desolation
• 33: Auroras-Light Shows 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