Kio Towers and Monument to the Discoverers at Castilla square, Madrid, Spain, Europe

Belmonte, the birthplace of Pedro Alvares Cabral, European discoverer of Brazil, Portugal, Europe

Statue of discoverer Christopher Columbus, La Rabida monastery, La Rabida, near Huelva, Costa de la Luz, Andalucia, Spain, Europe

The cruise ship World Discoverer at anchor in Port Lockroy, once a Second World War British Station, now a post office, Antarctic Peninsula, Antarctica, Polar Regions

Hallgrimskirka with statue of Leifer Eiriksson, Viking discoverer of America and native Icelander, Reykjavik, Iceland, Polar Regions

Statue of the 15th century discoverer, Henry the Navigator, in Lagos, Algarve, Portugal, Europe

A 19th century engraving of the French explore Mouhot, the discoverer of Angkor, camping in the jungles, Laos, Indochina, Southeast Asia, Asia

The Da Gama padrao, a monument to Vasco Da Gama in the Cape Point Nature Reserve in South Africa. Da Gama was a Portuguese sailor/explorer and led expeditions from the Cape to the East in 1497. A padrao is a limestone pillar bearing the Portuguese coat of arms and an inscription stating when and by whom it was raised. The cross signified Portuguese sovereignty and Christianity.

The Tasman Fountain, commemorating Abel Tasman, the Dutch discoverer of Tasmania, Parliament Square, Hobart, Tasmania, Australia, Pacific

The Tasman Fountain, commemorating Abel Tasman, the Dutch discoverer of Tasmania, Parliament Square, Hobart, Tasmania, Australia, Pacific

Leifur Eriksson statue outside Hallgrimskirkja Church, Reykjavik, Iceland

Christopher Columbus monument, Calvi, Haute-Corse, Corsica, France

Leifur Eriksson statue and Hallgrimskirkja Church, Reykjavik, Iceland

Four-wheel drive jeep booged down while crossing a river, teamwork, Botswana, Africa

Statue of Christopher Columbus in front of a blue sky. Statue of Christopher Columbus

Rear view, statue of Leif Ericson, discoverer of North America, Hallgrimskirkja, town centre, Reykjavik, Iceland, Scandinavia, Northern Europe, Europe

Black and white long exposure of the seafarers' monument Padrao dos Descobrimentos on the river Tejo in Lisbon, Portugal, Europe

Bonifacio with its limestone cliffs in the foreground

Detail of Monument to the Discoveries, Lisbon, Portugal, Europe

Monument, Leifur Eriksson, Reykjavik, Iceland

Halgrims church and Leifur Eriksson monument, Reykjavik, Iceland

Monument to the Discoveries, Lisbon, Portugal, Europe

Memorial Anne Stine and Helge Ingstadt, discoverer of the Viking settlings in North America, hall of the Viking ship hall Vikingskiphuset, Bygdoy, Oslo, Norway, Scandinavia, Europe

Male hiker sitting top rock looking map

Statue of Leif Eriksson, Hallgrimskirkja church, church of Hallgrimur, Reykjavik, Iceland, Europe

Statue of Leif Eriksson, Hallgrimskirkja, church of Hallgrimur, Reykjavik, Iceland, Europe

Padrao dos Descobrimentos, monument to discoverers, sculpture with significant figures of Portuguese seafaring at the riverside of Tejo, Belem, Lisbon, Portugal, Europe

Detail of Monument to the Discoveries, Lisbon, Portugal, Europe

Yang Zhifa discoverer of Terracotta Warriors Tomb, Xian, China, Asia

Statue of Vasco da Gama by Duker Bower, Patio da Alfandega near the harbour. Capital Angra do Heroismo, the historic center is part of UNESCO world heritage. Island Ilhas Terceira, part of the Azores (Ilhas dos Acores) in the atlantic ocean, an autonomous region of Portugal. Europe, Azores, Portugal.

Statue of Vasco da Gama by Duker Bower, Patio da Alfandega near the harbour. Capital Angra do Heroismo, the historic center is part of UNESCO world heritage. Island Ilhas Terceira, part of the Azores (Ilhas dos Acores) in the atlantic ocean, an autonomous region of Portugal. Europe, Azores, Portugal.

Statue of Vasco da Gama by Duker Bower, Patio da Alfandega near the harbour. Capital Angra do Heroismo, the historic center is part of UNESCO world heritage. Island Ilhas Terceira, part of the Azores (Ilhas dos Acores) in the atlantic ocean, an autonomous region of Portugal. Europe, Azores, Portugal.

Statue of Diogo Afonso, discoverer of Sao Vicente. City Mindelo, a seaport on the island Sao Vicente, Cape Verde in the equatorial atlantic. Africa, April

Shipwrecked World Discoverer cruise in tropical waters of the Solomon Islands, Roderick Bay; Nggela Islands, Solomon Islands

Hallgrimskirkja Church with statue of Nordic explorer Leif Eriksson

Monument to the Discoverers, Lisbon