What's creating bizarre sand sculptures along Lake Michigan?

At first glance they look like the objects from an alien planet. Maybe Mars? Except there's a beach in the background and Mars doesn't have any of that. But where on Earth would someone find dozens of petrified totems of sand?
At first glance they look like the objects from an alien planet. Maybe Mars? Except there's a beach in the background and Mars doesn't have any of that. But where on Earth would someone find dozens of petrified totems of sand?

Crazy Sand Sculptures on the shore of Lake Michigan. Tiscornia Park in Saint Joseph, Michigan : r/pics

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Sand sculptures form from winter weather on Lake Michigan beaches - ABC7 Chicago

Lake Michigan Beach Sand Sculptures Created By Weather

Sand sculptures form from winter weather on Lake Michigan beaches - ABC7 Chicago

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チェスのコマのような砂の柱」が自然に形成された理由とは？ - GIGAZINE