Huge mushroom shaped iceberg in Dorian Bay, western side of the Antarctic Peninsula, Southern Ocean, Polar Regions

February 24, 2013 - Mushroom shaped ash cloud produced by powerful explosive eruption of Sakurajima volcano, Kagoshima, Japan.

The mushroom rock formations, Ennedi Plateau, UNESCO World Heritage Site, Ennedi region, Chad, Africa

The mushroom rock formations, Ennedi Plateau, UNESCO World Heritage Site, Ennedi region, Chad, Africa

Bathsheba, Mushroom rock, windswept palm tree, Atlantic waves, rugged East Coast, Barbados, Windward Islands, West Indies, Caribbean, Central America

A murmuration of starlings, numbering well over a million birds, form the shape of an atomic bomb mushroom cloud as they come in to roost at dusk on the Avalon Marshes at Shapwick Heath Nature Reserve in Somerset

Starlings, a murmuration of a million birds, in mushroom cloud shape as they drop to roost on Avalon Marshes, UK

Starlings, a murmuration of a million birds, in mushroom cloud shape as they drop to roost on Avalon Marshes, UK