Jack Dykinga / Scalding hot water continuously spouting behind layers of mineral deposits, Fly Geyser, Black Rock Desert, Great Basin Desert, Nevada, USA
01610277
Guy Edwardes / Cauldron Force, West Burton, Yorkshire Dales National Park, North Yorkshire, England, UK, June.
01296264
Ingo Arndt / Shoal of Pacific / South african sardines (Sardinops sagax) Monterey Bay Aquarium, USA
01432644
Andrew Parkinson / Northern gannets (Morus bassanus) in flight in Force 8 gales above raging seas. Shetland Islands, Scotland, UK, September.
01411261
Sergey Gorshkov / Ash plume and lava erupting from Plosky Tolbachik Volcano, Kamchatka Peninsula, Russia, 5 December 2012
01373021
Graham Eaton / Underwater landscape within a mountain stream, showing water turbulence, Snowdonia NP, Gwynedd, Wales, UK, December
01373017
Graham Eaton / View looking up a waterfall from within a stream, Snowdonia NP, Gwynedd Wales, UK, December
01373010
Graham Eaton / Underwater view of a rapidly flowing mountain stream, Snowdonia NP, Gwynedd, Wales, UK, November
01373004
Graham Eaton / A split-level view through a small waterfall, Llanberis, Snowdonia NP, Gwynedd, Wales, UK, July
01372987
Graham Eaton / Underwater view of River Glaslyn rapids, Snowdonia NP, Gwynedd, Wales, UK, April
01369657
Brent Stephenson / Waves crashing on a massive iceberg. Drake Passage, near the South Shetland Islands, Antarctica, January.
01369649
Brent Stephenson / A rough and windy day in the Drake Passage with Force 9+ beaufort scale conditions. Drake Passage, South Atlantic, January.