This limestone gorge houses the spectacular Cheddar Caves, including Gough's Cave, where the oldest complete skeleton in the UK, the Cheddar Man, was discovered.
Located on the uninhabited island of Staffa, this sea cave is renowned for its unique hexagonal basalt columns and has inspired numerous artists and composers.
A series of limestone caverns featuring an underground river, striking stalactites and stalagmites, and hosting one of the largest chambers in Britain, the Great Hall.
Although not in the UK, this Irish cave is worth mentioning. It offers an awe-inspiring journey through ancient tunnels, waterfalls, and an underground stream, showcasing impressive formations.
Situated in the Peak District National Park, this vast cave system is known for its imposing entrance, underground river, and unique acoustic properties that make it a popular venue for concerts.
Famous for its iron ore mining history, Clearwell Caves feature impressive underground chambers and striking geological formations, making it a popular tourist attraction.
This showcave complex offers stunning underground river channels, intricate limestone formations, and an enchanting boat tour through an extensive network of passages.
As one of the deepest and longest cave systems in the UK, Ogof Ffynnon Ddu offers challenging exploration opportunities for experienced cavers, with underground waterfalls and beautiful chambers.
Located on the north coast of Scotland, Smoo Cave is a dramatic sea cave that combines freshwater streams, an impressive waterfall, and a large chamber with an archaeological past.
Situated in the Peak District, Giants Hole is an extensive cave system known for its underground river, impressive chambers, and challenging potholing routes for experienced cavers.