Gavin Hellier / Church Priest holding a Lalibela Cross, Lalibela and its rock-hewn Churches rank among the greatest religio-historical sites not only in Africa, but in the Christian world, Lalibela, Ethiopia 2005. Mo...

Christophe Courteau / Rusty barrels at the historical site of Virgohamna where, in 1897, the hydrogen balloon 'Omen' (the Eagle) sailed northward in a failed attempt to reach the north pole with 3 Swedish ballooners led by...

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Inaki Relanzon / Dolmen d'Eyna at night, with a long exposure capturing star trails. Eyne, Pyrenees, France, September 2010.

Juan Manuel Borrero / Ruins of ancient Revash buildings / burial sites, from the period of Chachapoyas culture, Amazonas Department, Peru, October 2009

Gavin Hellier / White stone roofs and pastel, traditional architecture of the historic town of St. George, an UNESCO World Heritage Site, St George's Parish, Bermuda 2007

Gavin Hellier / Looking up at traditional chimney in historic town of St George, an UNESCO World Heritage Site, St George's Parish, Bermuda 2007

Gavin Hellier / White stone roofs and pastel architecture of the historic town of St. George, an UNESCO World Heritage Site, St George's Parish, Bermuda 2007

Gavin Hellier / Looking up at traditional chimney in historic town of St George, an UNESCO World Heritage Site, St George's Parish, Bermuda 2007

Gavin Hellier / Man on a scooter riding past white stone roofs and pastel architecture of the historic town of St. George, an UNESCO World Heritage Site, St George's Parish, Bermuda 2007

Jeff Vanuga / Petroglyphs at the Puako Petrogloyph Archaeological Preserve. Pu ukohjola Heiau National Historic Site, Hawaii, March 2012.

Ross Hoddinott / Spis Castle, one of the largest castle sites in Central Europe, situated above the town of Spisske Podhradie, UNESCO World Heritage Site, Slovakia, June 2012

Oriol Alamany / Information panel with photos showing the Angel Glacier historic retreat from 1915, 1922 and 1978, Jasper National Park, Rocky Mountains, Alberta, Canada

Sue Flood / Marae Taputapuatea is a large marae complex at Opoa in Taputapuatea, on the south eastern coast of Raiatea. The site features a number of marae and other stone structures and was once considered the c...

Kirkendall-Spring / Live oak tree (Quercus virginiana) covered in Spanish moss (Tillandsia usneoides) at Hofwyl-Broadfield Plantation State Historic Site, Georgia, USA, November 2008

Kirkendall-Spring / Live oak tree (Quercus virginiana) covered in Spanish moss (Tillandsia usneoides) at Hofwyl-Broadfield Plantation State Historic Site, Georgia, USA, November 2008

Bryan and Cherry Alexander / Tourists in inflatable boat visiting Wordie House on Winter Island, established in 1947, now a historic site, Antarctica, February 2009.

Bryan and Cherry Alexander / Visitors to Wordie House, established in 1947, now a historic site. Winter Island, Antarctica, February 2009.

Nick Upton / 16th Century Genoese watchtower in dawn light, perched on a craggy red granite headland at Porto, within a UNESCO World Heritage coastal/marine site and Corsica's National Park (Parc Naturel Regional...

Nick Upton / 17th century Genoese watch tower perched on volcanic rock (rhyolite porphyry) headland, within a UNESCO World Heritage site and Corsica's National Park (Parc Naturel Regional de Corse). Corsica, Franc...

Nick Upton / Girolata 17th Century Genoese watchtower with stands of Pricky pear cactus (Opuntia sp.) and Agave (Agave sp.) growing nearby within a UNESCO World Heritage site and Corsica's National Park (Parc Natu...

Nick Upton / 17th century Genoese watch tower perched on volcanic rock (rhyolite porphyry) headland, within a UNESCO World Heritage site and Corsica's National Park (Parc Naturel Regional de Corse). Corsica, Franc...

Nick Upton / Girolata village, 17th Century Genoese watchtower and harbour, part of a UNESCO World Heritage site within Corsica's National Park (Parc Naturel Regional de Corse). Corsica, France, May 2010.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Juan Manuel Borrero / Archaeological site of the Señor de Sipán, showing a reconstruction of the tomb. Sitio Huaca Rajada-Sipán, Lambayeque. Peru November 2009

Angelo Gandolfi / People / tourists visiting the Etruscan / Medieval caves at the site of Saint Rocco. Sorano, Tuscany "Maremma", Italy. March 2009

Angelo Gandolfi / Interior of caves at Etruscan / Medieval site of Saint Rocco. Sorano, Tuscany "Maremma", Italy. April 2009

Angelo Gandolfi / Interior of caves at Etruscan / Medieval site of Saint Rocco. Sorano, Tuscany "Maremma", Italy. April 2009

Kirkendall-Spring / Covered wagon display at Whitman Mission National Historic Site, Washington, USA

Tim Fitzharris / Arch in Monument Rocks National Landmark, Kansas

Tim Fitzharris / Arch in Monument Rocks National Landmark, Kansas

Steven David Miller / Koreshan State Historic Site, Estero river, Florida, USA.

Paul D Stewart / Chromolithograph illustration of Cromagnon 'Skull of an old man' Plate 1, Section C. Edouard Lartet and Henry Christy. 'Reliquiae Aquitanicae' 1865-1875, Williams and Norgate, London 1875. The type sp...

Paul D Stewart / Chromolithograph illustration of perforated Cromagnon 30,000 ybp ornaments (shell, ivory), by Edouard Lartet and Henry Christy. 'Reliquiae Aquitanicae' 1865-1875, Williams and Norgate, London 1875. Th...

Paul D Stewart / Portrait of John Gould (14 September 1804 - 3 February 1881). Engraving by T.H. Maguire 1849 as part of the friends of the Ipswich Museum series. Gould was a wildlife illustrator and ornithologist bor...

Paul D Stewart / Illustration of The British Museum in Montagu House, Great Russel (sic) Street. Engraved by William Henshall from a study by T.H. Shepherd. From Shepherd's series 'London and its Environs in the Ninet...

Paul D Stewart / Illustration of Ichthyosaur skeleton, copper fold-out engraving at life size, (2.5cm ammonite top right for scale). It comes from a paper by Sir Everard Home in 1819. He was the first geologist to pub...

Paul D Stewart / The first scientific illustration of an Ichthyosaur skull, Temnodontosaurus platydon, discovered by Mary Anning, 1812. It comes from an 1814 paper in the Philosophical Transactions of the Royal Societ...

Paul D Stewart / 1854 illustration of Crystal Palace at its Sydenham site, with Benjamin Waterhouse Hawkins' dinosaur sculptures in the foreground. 11cm x 16.3 cm. Miniature colour print by the George Baxter patent pr...