Precambrian basalt, formed over 500 million years ago, is one of Earth's oldest rock types. Its durability and striking textures have made it a favored material for outdoor sculptures. Among the most famous is "The Giant's Causeway" in Northern Ireland, though not a man-made sculpture, its hexagonal basalt columns inspire awe as a natural masterpiece.

In urban settings, the "Basalt Columns" installation in Reykjavik, Iceland, mimics nature’s artistry with stacked basalt pillars. Another notable work is "Stone River" by Andy Goldsworthy in California, where reclaimed basalt pieces create a flowing, organic form.

These sculptures not only highlight the material’s geological significance but also bridge ancient history with modern artistic expression. Their rugged beauty continues to captivate audiences worldwide.