Anup Shah / Male Chimpanzee resting on rock 'Pax' {Pan troglodytes schweinfurtheii}, 25-years-old, lowest ranking male of Kasekela community, Gombe NP, Tanzania. 2002

Jack Dykinga / Crystalized salt formation across the Death Valley National Park valley floor with morning light on Badwater, the lowest point in the US at 86m below sea level with Telescope Peak in the Panamint Moun...

Mark Hamblin / 2020VISION / Snow covered tree on the edge of frozen and snow covered lake, Loch Morlich, Cairngorms National Park, Scotland, UK, January 2010. Did you know? The lowest temperatures ever recorded in the UK reached...

Floris van Breugel / Rare desert rains flood the salt flats of Badwater basin, Death Valley National Park. Badwater is the lowest point in North America at 282 feet below sea level. California, USA, January 2010.

George Chan / Mud patterns on the vast expanse of Aydingkol Lake, Xinjiang Province, North-west China. This is the second lowest point on earth at 154m below sea-level. August 2006, BBC "Wild China" series

Paul D Stewart / Cartoon from Punch, September 13th 1890 showing Professor Othniel Marsh standing atop a triceratops skull, with some of his famous discoveries before him. Top left Pteranodon (Marsh 1870) the first pt...