Geological stack

A geological stack is a coastal landform, a large vertical column of rock in the sea.

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  Phuket, Thailand
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  Portugal
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  Portugal
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  Meoto Iwa (the wedded rocks), Mie Prefecture, Japan
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  Meoto Iwa
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  Island Archway, Victoria, Australia
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  Reynisdrangar, Iceland
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  Arched Rock, California
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  Vietnam
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  At Faroe Islands
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  Tall Rock in Ponza Island, Italy
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  Dorset
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  Flowerpot Island, Georgian Bay, Ontario
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  Flowerpot Island
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  Twelve Apostles, Australia
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  Twelve Apostles, Australia
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  Am Buachaille, Sutherland, Scotland
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  Old Man of Hoy, Scotland
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  Ball's Pyramid, Australia, is the tallest volcanic stack in the world.
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  Volcanic stack, part of the Motu islets near Easter Island, Chile
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  Painting by Claude Monet

Lange Anna, Heligoland

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