optical illusion
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Oregon Vortex of Oregon
Famous southern Oregon mystery spot known for size and gravity illusions; Local Lore and Legends says horses balked at a ‘forbidden’ patch of ground.
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Old Fort Road Gravity Hill of Oregon
Roadside anomaly where cars or water seem to roll uphill, generating Local Lore and Legends explanations despite a likely optical-illusion basis.
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Gravity Hill of Pennsylvania
A gravity-hill optical illusion wrapped in ghost-child and phantom-handprint Local Lore and Legends.