Adult cape petrels (Daption capense) in rough seas in English Strait, South Shetland Islands, Antarctica, Polar Regions

Mountains and glaciers of Cape Errera with blue sky, Wiencke Island, from Bismarck Strait, Antarctic Peninsula, Antarctica, Polar Regions

Aerial of Cape Horn, southern most point in South America, Hornos island, Tierra del Fuego, Chile, South America

Glaciers and mountains of Cape Errera with dramatic sky, Wiencke Island, from Bismarck Strait, Antarctic Peninsula, Antarctica, Polar Regions

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

An Orca pod (Orcinus orca) encountered near Waldron Island in the San Juan Island group of Washington State, USA

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

Satellite view of the Great Barrier Reef. It extends along most of Queensland's coastline in north-east Australia, from Torres Strait and Cape York peninsula down to Fraser Island

Clouds above Cape Palliser Lighthouse at the Cook Strait at the southern tip of the North Island, New Zealand

Cape Palliser Lighthouse at the Cook Strait at the southern tip of the North Island, New Zealand