Landscape Arch, Arches National Park, Utah Outflow from the Pu’u’ O’o vent, Hawai’i Volcanoes National Park Outflow from the Pu’u’ O’o vent, Hawai’i Volcanoes National Park Smoky quartz with pink fluorite, Kristallkluft Gerstenegg, Switzerland Oberaargletscher and reserve lake Oberaarsee, Bernese Alps Stongehenge, Sundown, Salisbury Plain, England, United Kingdom