718-2078 - Gran Cratere (The Great Crater) and Aeolian Islands view, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
718-2077 - Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
718-2069 - Sulphur and fumaroles smoke on volcano Gran Cratere, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
718-2070 - Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
83-12751 - Ash, rock and sulphur at the smoking summit of 3350m high volcano Mount Etna during an active phase, Mount Etna, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
83-12719 - Green crater lake and steaming fumaroles at Papandayan Volcano, an active four cratered caldera, Garut, West Java, Java, Indonesia, Southeast Asia, Asia
83-12720 - Mineral stained pond on collapsed flank of Papandayan Volcano, an active four crater caldera, Garut, West Java, Java, Indonesia, Southeast Asia, Asia
698-3036 - Visitors on a viewing platform on Sulphur Mountain summit overlooking Banff National Park, UNESCO World Heritage Site, Alberta, The Rockies, Canada, North America
832-124032 - Sulfur vapor, petrified trees in New Blue Spring Road, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America
1116-11364 - Former spa by Puente del Inca, a natural arch that forms a bridge with sulphur deposits over the Vacas River, a tributary of the Mendoza River, Mendoza, Argentina
911-8756 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8763 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8766 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8757 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8764 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8765 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8762 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8761 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8752 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
764-3721 - Rosy paintbrush (split-leaf Indian paintbrush) (spliteaf Indian paintbrush) (Castilleja rhexifolia) hybrid with sulphur paintbrush (Castilleja sulphurea), San Juan National Forest, Colorado, United States of America, North America
764-3751 - Orange clouds at sunrise with sulphur paintbrush (Castilleja sulphurea) and cutleaf daisy (dwarf mountain fleabane) (gold buttons) (Erigeron compositus), San Juan National Forest, Colorado, United States of America, North America
764-3686 - Orange clouds at sunrise with cutleaf daisy (dwarf mountain fleabane) (gold buttons) (Erigeron compositus) and sulphur paintbrush (Castilleja sulphurea), San Juan National Forest, Colorado, United States of America, North America
764-3680 - Sulphur paintbrush (Castilleja sulphurea) glowing at first light, San Juan National Forest, Colorado, United States of America, North America