Neil Lucas / Giant sequoia trees (Sequoiadendron giganteum) on edge of lake, with reflections, California, USA, October 2007

Floris van Breugel / Dogwood (Cornus nuttallii) in bloom amongst Giant Sequoia trees (Sequoiadendron giganteum) and two Mule deer (Odocoileus hemionus), Sequoia and King's Canyon National Parks, USA. June. Veolia Environn...

Kirkendall-Spring / Sunbeams through Coastal Redwood trees (Sequoia sempervirens), Muir Woods NP, California, USA

Jack Dykinga / Trunk of Giant Sequoia tree {Sequoiadendron giganteum} showing scars from ancient fires, Sequoia NP, California, USA

Michael Hutchinson / Coast Giant redwood trees {Sequoia sempervirens} in the fog, Del Norte State Park, California, USA. Tallest trees in the world.

Michael Hutchinson / Coastal Giant Redwood forest {Sequoia sempervirens} with Redwood sorrel {Oxalis oregana} and ferns, Humboldt Redwoods State Park, California, USA

Michael Hutchinson / Coastal Giant Redwood forest {Sequoia sempervirens} with moss covered fallen trunk in foreground, Avenue of the Giants, Humboldt Redwoods State Park, California, USA

David Kjaer / Man standing next to Giant sequoia tree {Sequoiadendron giganteum} Sequoia National Park, USA

Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) forest, King's Canyon National Park, California

Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) trees with recent dusting of snow, King's Canyon National Park, California

Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) trees with dusting of snow, King's Canyon National Park, California

Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) and star trails in King's Canyon National Park, California