NASA: Visible Earth
Covered in heath, the solitary rocky hill known as Slieve Gullion rises above the farmland of Northern Ireland in this true-color Landsat image from May 24, 2001. According to Irish mythology, hunter and warrior Finn McCool bathed in the lake on Slieve Gullion and emerged decades older. However, we don’t need a dip in the lake to move through time. A glance at the landscape reveals millions of years of history.
Read more and see related images here.
You can also read more about the geology, archaeology and biodiversity of the Ring of Gullion on ringofgullion.org.