An orca surfaces in Lynn Canal near the Chilkat Mountains, Alaska (© John Hyde/Alamy)

NASA’s Langley Research Center mounted the Navy’s Brewster XF2A-1 Buffalo in the Full-Scale Tunnel, 1938, Hampton, Virginia (© NASA)

Aerial view of Palmanova, a fortress city in Friuli, Italy (© Riccardo Saponi/Getty Images)

Three false clownfish in a sea anemone, Cabilao Island, Bohol, Philippines (© Franco Banfi/Nature Picture Library)