Come with me on a solo swim through one of Scotland’s most spectacular sea caves on the Isle of Skye. In this 21-minute adventure I explore the famous Spar Cave, wading and climbing my way along a dramatic coastline before swimming through a hidden pool deep inside the cave. The Spar Cave is considered one of Scotland’s great natural wonders, and after visiting twice before, once alone and once with my sons, I returned to explore it properly. Amazing place! This is the full adventure, from the c

For diving instructor Uwe Rath, exploring a cave deep under the water is a chance to lay witness to a million years of natural history. This Great Big Story was made possible by GoDominicanRepublic. | Great Big Story