Caving, or spelunking, is an activity in which people explore caves. It involves navigating through dark and often tight spaces, and can be a thrilling experience for those who enjoy exploring the unknown. Caves are often filled with unique geological formations, and can provide insight into the history of the area. Caving can also be a dangerous activity, as it requires special equipment and knowledge of safety protocols. Exploring caves is a popular pastime for many outdoor enthusiasts, and can be a great way to learn about the natural world.