#11: Giant’s Causeway (Ireland)
This coastal formation of perfect hexagonal basalt columns looks engineered rather than volcanic. The geometric shapes fit together so neatly they resemble a massive tiled floor. Formed by ancient lava flows cooling at precise rates, the pattern stretches impressively across the coastline.
provided by constative.com
Local legends attribute its creation to giants, a myth that feels strangely plausible given its appearance.