Kerið Crater in Iceland is a stunning geological wonder that's totally worth a visit. This vibrant blue gem, part of the Western Volcanic Zone, is only 6,500 years old and boasts a unique red volcanic rock formation. With a small entrance fee of 600 KR, you can explore the 55m deep, 170m wide caldera and soak in the breathtaking views. Don't miss out on this must-see spot in Iceland!