"The Giant's Causeway" Portstewart Things to Do Tip by bluesmama
Portstewart Things to Do: 8 reviews and 8 photos
You can take a bus from Portstewart out to the Causeway. Not expensive at all. There's a visitor's centre there that tell's you how it was created.
The columns are pentagon and hexagon shaped and are made of basalt rock which is a kind of lava rock.
It really looks like someone that could have been built by humans
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