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

A rare white morph of the southern giant petrel (Macronectes giganteus), English Strait, Antarctica, Polar Regions

Basalt pinnacle and cliffs in English Strait in the South Shetland Islands, Antarctica, Polar Regions

Basalt cliffs in English Strait in the South Shetland Islands, Antarctica, Polar Regions

Humpback whale (Megaptera novaeangliae), flukes-up dive, English Strait, South Shetland Islands, Antarctica, Polar Regions

High seas breaking in English Strait, South Shetland Islands, Antarctica, Polar Regions

Dramatic reefs and islets in English Strait, South Shetland Island Group, Drake Passage, Antarctica, Polar Regions

English Strait at sunset, Antarctica, Polar Regions

The Lindblad Expeditions ship National Geographic Explorer in English Strait, South Shetland Islands, Antarctica, Polar Regions