The Ordovician period, known for its rich geological history, has left behind remarkable basalt formations that have inspired stunning outdoor sculptures. Among the most famous is the "Giant's Causeway" in Northern Ireland, where hexagonal basalt columns form a natural masterpiece. Another notable example is the "Devils Tower" in Wyoming, USA, a monolithic basalt structure revered by indigenous cultures.

In Iceland, the "Reykjanes Peninsula" features dramatic basalt cliffs and sculptures shaped by volcanic activity. Artists worldwide have also crafted modern basalt sculptures, such as the "Basalt Columns" installation in Germany, blending ancient geology with contemporary art.

These sculptures not only highlight the durability and beauty of Ordovician basalt but also celebrate the intersection of nature and human creativity. Exploring these works offers a unique glimpse into Earth's artistic legacy.