Which popular outdoor activity is West Virginia known for offering?

West Virginia is particularly renowned for its extensive cave systems, making caving a popular outdoor activity in the state. The unique geological formations and rich biodiversity found within these caves attract both amateur enthusiasts and serious spelunkers. Notably, places like the Greenbrier Caverns and the Organ Cave offer guided tours and opportunities for exploration.

The significance of caving in West Virginia is not only reflected in the natural beauty and adventure it provides but also in its educational aspect, where visitors can learn about geology, hydrology, and the ecosystems that thrive in these subterranean environments. This in-depth interaction with the natural world contributes to the state's appeal as a destination for outdoor activities, particularly caving, which stands out among other choices that do not embody the essence of West Virginia's outdoor culture.