* حيد بحر البلطيق* Giant's Causeway information at the National Trust* Causeway Coast And Glens Tourism - Official Tourist Board visitor information for the Causeway and surrounding area* Formation of basalt columns* Landscapes Unlocked - Aerial footage from BBC "Sky High" series explaining the physical, social & economic geography of Northern Ireland* Virtual-reality views from different vantage points
==See also==* Baltic Sea anomaly== External links ==* Giant's Causeway information at the National Trust* Website and video of the Causeway Coast and Glens Heritage Trust* Causeway Coast And Glens Tourism – Official Tourist Board visitor information for the Causeway and surrounding area* Formation of basalt columns* Landscapes Unlocked – Aerial footage from BBC "Sky High" series explaining the physical, social & economic geography of Northern Ireland