Mack Arch Rock, Oregon, USA
Mack Arch Rock, Oregon, USA (© Dennis Frates/Alamy)
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Huge rock formations that stick out from the Pacific are a common sight along the coast of Oregon in western United States. The sea stacks you see here run next to a grassy promontory in the southern part of the state that looks over a mostly inaccessible stretch of coastline.
© Dennis Frates/Alamy