Presents geological phenomena such as the Santorini Islands, Niagara Falls, Hawaii's volcanoes, Surtsey (off Iceland), Lanzarote, Canary Islands, New Zeland geysers, and Grand Canyon.
Explores volcanoes and what causes them to erupt. Discusses lava, pyroclastic materials, and the Ring of Fire. Also weathering and erosion, including processes such as frost wedging, exfoliation and thermal expansion, and chemical weathering.