This iconic landmark is known to some from a famous cover by Led Zeppelin. This bizarre natural formation is the result of an ancient volcano eruption. The super-hot lava flowed and cooled so quickly that it left huge cracks. These eventually broke and created the columns we see now.
Poulaphouca Fall

The Wicklow Mountains make up the center of Wicklow County. This area boasts a beautiful natural decoration of rivers and waterfalls ( this one here). Unfortunately for nature lovers, this specific waterfall has ceased to exist ever since the poulaphouca Reservoir was complete in 1940.