Rarely, a minus tide is low enough to expose a ghost forest to the sea air in Neskowin, Oregon. The petrified Sitka spruce trees, more than 2,000 years old, were drowned by an immense tectonic shift during a catastrophic earthquake in 1700. The ocean rose up to cover them. Now, once or twice a year, tourists with selfie sticks explore the seabed forest.
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