Ireland Travel | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/ireland-travel/RSS feed for Ireland TravelenTue, 16 Jun 2026 21:32:25 +0000Scientists Uncover New Clues About the Volcanic Origins of the Giant's Causeway, an Iconic Geologic Structure in Northern Irelandhttps://www.smithsonianmag.com/smart-news/scientists-uncover-new-clues-about-the-volcanic-origins-of-the-giants-causeway-an-iconic-geologic-structure-in-northern-ireland-180988967/The UNESCO World Heritage Site, which features 40,000 near-perfect hexagonal columns, formed roughly 60 million years ago during a period of intense volcanic activityTue, 16 Jun 2026 21:32:25 +0000https://www.smithsonianmag.com/smart-news/scientists-uncover-new-clues-about-the-volcanic-origins-of-the-giants-causeway-an-iconic-geologic-structure-in-northern-ireland-180988967/