Tim Laman / Mangrove / Blue-tailed Monitor (Varanus doreanus)female. Paul Oliver weighs the monitor lizard. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Progra...

Tim Laman / Helicopter arrives at Kwerba Village to airlift the expedition team into the Foja Mountains. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program e...

Matthew Maran / Hikers building up a fire in their cliff-overhang cave. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September, Model released

Sue Flood / Tourists from Quark Expeditions trip in yellow jackets walking near Emperor penguin (Aptenodytes forsteri) colony, Ross Sea, Antarctica. December 2008.

Rick Price / Quark Expeditions Sea Adventurer, Stromness Whaling Station, South Georgia. January 2015.

Bryan and Cherry Alexander / Lockheed C-130 Hercules transport plane equipped with skis coming in to land at Patriot Hills, with Antarctic Logistics and Expeditions staff watching, Antarctica.

Pal Hermansen / Family with dogs on newly frozen ice, Akershus, Norway, December 2012.

Inaki Relanzon / Man exploring Forat de l'Or cave, Terradets Canyon, Pyrenees, Lleida, Catalonia, Spain, December 2012.

Nick Garbutt / Yellowstone Expeditions Yurt Camp by star and moonlight. Near Canyon, Yellowstone National Park, Wyoming, USA. January 2012.

Doug Allan / Base hut for cameraman Doug Allan on polar bear filming expedition. Kong Karl's Land, Svalbard, Norway, March. Freeze frame book plate page 18.

Doug Allan / Arrow signalling where a submarine will breach the ice sheet. Beaufort Sea, Alaska, USA, March. Freeze frame book plate page 130.

Tim Laman / Day of planned pickup by helicopter. Waiting out rain at the helipad. The helicopter did not arrive this day. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Ass...