The Giant's Causeway in Northern Ireland has been around for millions of years, but it seems that recently the landmark has enjoyed a surge in popularity.
The unusual rock formation often tops the list of best things to see in Northern Ireland, and it's previously won accolades such as the Best UK Heritage attraction in 2017.
There are heaps of tours you can take whether you're enjoying a city break in Belfast and want to leave some space on the itinerary, or taking on an epic Northern Ireland roadtrip.
Then of course there's the fact it's both a National Trust and UNESCO World Heritage Site, which already puts it firmly on the map for hikers and explorers.
But how much do you know about the Giant's Causeway? We reveal 8 facts about the landmark you might not know...
1. It's around 50-60 million years old.
2. The rocks are believed to be the result of the crystallisation of molten lava extruding into the sea.
3. It's called 'The Giant's Causeway' because according to legend, it was actually the work of Irish giant Finn McCool who created it in order to cross Scotland so he could go into battle against his enemy Benandonner.
4. It's actually made up of three rock outcrops - but the largest iconic one is the Grand Causeway.
5. There are over 40,000 basalt rocks that form the entirety of the formation.
6. It was declared a UNESCO World Heritage site in 1986 and is Northern Ireland's only one.
7. It's currently the most popular tourist attraction in Northern Ireland and continues to draw in the crowds.
8. There are plenty of shipwrecks along the coast - and divers are often spotted swimming down in a bid to find buried treasure.
