White-Lipped Green Tree Frog on palm leaf, Daintree Rainforest, Queenland, Australia

White-Lipped Green Tree Frog on palm leaf, Daintree World Heritage Rainforest, Queenland, Australia

White-Lipped Green Tree Frog on palm leaf in Daintree Rainforest, Queenland, Australia

King Penguins in the world's second largest King Penguin colony on Salisbury Plain, South Georgia, Southern Ocean.

A King Penguin sleeping in the world's second largest King Penguin colony on Salisbury Plain, South Georgia, Southern Ocean.

King Penguins in the world's second largest King Penguin colony on Salisbury Plain, South Georgia, Southern Ocean.

Just a split second before surfacing, a Beluga whale (Delphinapterus leucas) opens its blowhole to exhale ready to inhale when the blowhole has cleared the water. Beluga whales are an endangered and protected species in the St. Lawrence estuary, Canada

Memorial pillar for the victims of Nazism, the Holocaust memorial Yad Vashem, Jerusalem, Israel, Middle East, Orient

V-2 rocket, Deutsches Museum German museum, Munich, Bavaria, Germany, Europe

Soviet Memorial, Treptower Park, Berlin, Germany, Europe

Posts with name tags of Jewish prisoners, memorial at Hessental Concentration Camp, Schwaebisch Hall, Baden-Wuerttemberg, Germany, Europe

Eyes on white second level of Boudhanath Stupa in Kathmandu, Nepal on October 23, 2013. Vertical

White base and second level platform supporting eyes of the spire at Boudhanath Stupa in Kathmandu, Nepal. Vertical

Eyes on white second level of Boudhanath Stupa in Kathmandu, Nepal on October 23, 2013. Horizontal

Posts with name tags of Jewish prisoners, memorial at Hessental Concentration Camp, Schwaebisch Hall, Baden-Wuerttemberg, Germany, Europe

Holocaust Memorial designed by architect Peter Eisenman, memorial to the murdered jews of Europe, Tiergarten district, Mitte district, Berlin, Germany, Europe

Holocaust Memorial designed by architect Peter Eisenman, memorial to the murdered jews of Europe, Tiergarten district, Mitte district, Berlin, Germany, Europe

American Sherman tank from World War II, Marckolsheim, Alsace, France, Europe

Soviet Memorial, Treptower Park, Berlin, Germany, Europe

American Sherman tank from World War II, Marckolsheim, Alsace, France, Europe

V-2 rocket, Deutsches Museum German museum, Munich, Bavaria, Germany, Europe

Hawaii, Breaching Humpback whale, (Megaptera novaeangliae).

Burundi, Cibitoke Province, Buganda, Ruhagurika Primary School boys playing marbles during their playtime outside Ruhagurika Catch-Up Class. Catch up classes were established by Concern Worldwide across a number of schools in Cibitoke to provide a second chance for children who had dropped out.

Burundi, Cibitoke Province, Buganda, Ruhagurika Primary School girls dancing during their playtime outside Catch-Up Class in Buganda Commune. Catch up classes were established by Concern Worldwide across a number of schools to provide a second chance for children who had dropped out.

Burundi, Cibitoke Province, Buganda, Ruhagurika Primary Students in their Catch-Up Class. Catch up classes were established by Concern Worldwide across a number of schools in Cibitoke to provide a second chance for children who had previously dropped out of school.

Burundi, Cibitoke Province, Buganda, Ruhagurika Primary Students lining up ready to go into their Catch-Up Class. Catch up classes were established by Concern Worldwide across a number of schools in Cibitoke to provide a second chance for children who had previously dropped out of school.

England, Hampshire, Milford on Sea, Second world war defences at Hurst Castle to defend the strategically important Solent.

England, Hampshire, Milford on Sea, Second world war defences at Hurst Castle to defend the strategically important Solent.