Deep beneath bIngleborough/b Hill in the Yorkshire Dales National Park in the North of England lies the hidden world of White Scar Caves ? the longest show cave in Britain ? which has been sculpted by nature over thousands of years. Famous for its 200000 year old b..../b I've been there myself, and it's one of the most memorable things I've ever seen or done on bvacation/b. It's absolutely stunning! If you go near the end where the bats exit the cave, plug your nose ;-) ...