Portugal’s Petroglyphs: What Ancient Rock Art Reveals
June 24, 2025
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
Presented by Daniel Blankenheim
Tucked within the terraced hills of Portugal’s Douro Valley lies a cultural treasure: Europe’s largest open-air collection of Paleolithic rock art. Expedition Leader Daniel Blankenheim shares the story of the discovery of the Coa Valley petroglyphs and details how determined conservationists -- including local high school students -- helped save the site from a dam project that would have submerged the artworks under 300 feet of water. He also explains how these prehistoric engravings have changed our understanding of early human expression.
Tucked within the terraced hills of Portugal’s Douro Valley lies a cultural treasure: Europe’s largest open-air collection of Paleolithic rock art. Expedition Leader Daniel Blankenheim shares the story of the discovery of the Coa Valley petroglyphs and details how determined conservationists -- including local high school students -- helped save the site from a dam project that would have submerged the artworks under 300 feet of water. He also explains how these prehistoric engravings have changed our understanding of early human expression.
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303-449-3711 International · 800-543-8917 U.S. & Canada
PO Box 3065 · Boulder, CO, USA 80307
303-449-3711 International · 800-543-8917 U.S. & Canada