Saturn. photograph from NASA's Cassini-Huygens spacecraft108Saturn. photograph from NASA's Cassini-Huygens spacecraftPoulnabrone dolmen. Burren National Park. Ireland108Poulnabrone dolmen. Burren National Park. IrelandCycle Rickshaws and Taj Mahal. Agra. India108Cycle Rickshaws and Taj Mahal. Agra. IndiaGlobal map of the winds150Global map of the windsAntarctic Sound. Antarctica160Antarctic Sound. AntarcticaEngadin skimarathon in Engadin. Switzerland126Engadin skimarathon in Engadin. SwitzerlandView of the Prismas Basálticos in Huasca de Ocampo. Hidalgo. Mex160View of the Prismas Basálticos in Huasca de Ocampo. Hidalgo. MexIncredile Wall of Water150Incredile Wall of WaterPainted Hills in John Day Fossil Beds National Monument. Oregon120Painted Hills in John Day Fossil Beds National Monument. OregonAurora Northern Lights over Yellowknife. Northwest Territories.150Aurora Northern Lights over Yellowknife. Northwest Territories.Cladonia floerkeana lichen in Eifel. Germany160Cladonia floerkeana lichen in Eifel. GermanyRainbow Vista. Valley of Fire State Park. Nevada150Rainbow Vista. Valley of Fire State Park. NevadaAvenue des Champs-Élysées. Paris. France150Avenue des Champs-Élysées. Paris. FranceWind Cave National Park. Black Hills. South Dakota150Wind Cave National Park. Black Hills. South DakotaRadio City Music Hall interior. New York. NY108Radio City Music Hall interior. New York. NYNew Year's Eve fireworks in Korb. Rems-Murr-Kries. Germany120New Year's Eve fireworks in Korb. Rems-Murr-Kries. GermanyLight display on a California wind farm.150Light display on a California wind farm.Murial of Nelson Mandela. Cape Town. South Africa160Murial of Nelson Mandela. Cape Town. South AfricaPointsetta plants under cultivation in a greenhouse150Pointsetta plants under cultivation in a greenhouseLondon Science Museums Replica Of Charles Babbage Difference Eng130London Science Museums Replica Of Charles Babbage Difference Eng