832-123965 - Petrified tree in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123947 - Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
832-124033 - Palette Spring Street, Lower Terraces, limestone sinter terraces, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-123960 - Effluent area of the Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Idaho, Montana, Wyoming, America
832-123964 - Petrified trees in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123975 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123948 - Orange Mound Road, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
832-124081 - Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, geothermal springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-124079 - Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, geothermal springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-121520 - Chiostro Maggiore di San Francesco, cloister of the church St Francis, built in 1565 - 1623 in travertine, Ascoli Piceno, Marches, Italy, Europe
832-123962 - New Blue Spring, limestone sinter terraces, geysers, hot springs, dead trees, in Mount Everts, Mammoth Hot Springs Terraces in Yellowstone National Park, Idaho, Montana, Wyoming, America
832-123972 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am
832-121521 - Chiostro Maggiore di San Francesco, cloister of the church St Francis, built in 1565 - 1623 in travertine, with a well in its center, Ascoli Piceno, Marches, Italy, Europe
832-123976 - Boardwalk on Mound and Jupiter Spring Terrace, Main Terrace, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-124035 - Fossilized, dead trees in the Angel Terrace, Upper Terraces, limestone sinter terraces, hot springs, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-123951 - Orange Mound Road, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
832-123968 - Drainage area of New Blue Spring Terrace, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123958 - Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, in front of Mount Everts, Mammoth Hot Springs Terraces in Yellowstone National Park, Idaho, Montana, Wyoming, America
832-124080 - Boardwalk on Mound and Jupiter Spring Terrace, Main Terrace, limestone sinter terraces, geysers, geothermal springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123970 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am
832-123974 - Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
832-123953 - Dead trees at Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
832-124034 - Angel Terrace, Upper Terraces, limestone sinter terraces, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-123955 - Dead trees at Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
832-110006 - Trail through the limestone formations of Castle Hill Limestone Rocks, Kura Tawhiti Conservation Area, Selwyn District, South Island, New Zealand
832-110171 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110169 - Orange Mound Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110167 - Dead trees on the Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110193 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110194 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-104529 - Gravel beach and chalk cliffs on the Baltic Sea, Nationalpark Jasmund national park, Ruegen Baltic Sea island, Mecklenburg-Western Pomerania, Germany Europe
832-102892 - Re-enactment of scene from the Vietnam War with life-size doll in the open-air war museum in Cu Chi, South Vietnam, Vietnam, Southeast Asia, Asia
832-104534 - Gravel beach and the famous Koenigsstuhl chalk cliff on the Baltic Sea, Nationalpark Jasmund national park, Ruegen island, Mecklenburg-Western Pomerania, Germany Europe
832-104531 - Gravel beach and chalk cliffs on the Baltic Sea, Nationalpark Jasmund national park, Ruegen island, Mecklenburg-Western Pomerania, Germany Europe
832-110181 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-110185 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
832-62425 - Adult education, adult men learning how to read and write in the village school of the Acampamento 12 de Otubro landless camp, Movimento dos Trabalhadores Rurais sem Terra, a Brazilian landless movement, MST, Munizip Claudia, Mato Grosso, Brazil, South Am
832-42376 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colourful thermophilic bacteria, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America