21/01/2023
Giant's Causeway: Bushmills, Ireland
Whether you believe this unusually geometric rock formation that juts into the Atlantic Ocean was caused by volcanic activity 60 million years ago or by a local trying to defeat an invading Scottish giant, Giant's Causeway is a must-see. Go early to catch the first guided tour – you'll want to learn about the sight's tales before you set out to explore its 40,000 basalt columns on your own.