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1.
Wookey Hole Caves
Wookey Hole Caves are on the southern edge of the Mendip Hills near Wells in Somerset, England.
2.
Marble Arch Caves
he Marble Arch Caves are a series of natural limestone caves located near the village of Florencecourt in County Fermanagh, Northern Ireland.
3.
Fingal's Cave
Fingal's Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland
4.
Boho Caves
The Boho Caves are a selection of caves centred on the village of Boho, County Fermanagh, Northern Ireland
5.
Kendrick's Cave
Kendrick's Cave is on the Great Orme, Llandudno, Wales
6.
Blue John Cavern
The Blue John Cavern is one of four show caves in Castleton, Derbyshire, England
7.
Smoo Cave
Smoo Cave is a large combined sea cave and freshwater cave in Durness in Sutherland, Highland, Scotland.
8.
Jack Cade's Cavern
Jack Cade's Cavern[1][2] is a cavern, extending several hundred feet underground, in Blackheath, south-east London, England.
9.
Noon's Hole
Noon's Hole lies about 5 km northwest of the centre of Boho, in the townland of Old Barr in the parish of Devenish, County Fermanagh
10.
Wallace's Cave
Wallace's Cave is situated in Roslin Glen, in Midlothian, Scotland.
11.
Cathole Cave
Cathole Cave is a cave near Parc Cwm long cairn at Parc le Breos, on the Gower Peninsula, Wales
12.
King's Cave
King's Cave is a seafront cave on the Isle of Arran in Scotland,
13.
Chartist Cave
Chartist Cave is a culturally significant cave on Mynydd Llangynidr in southern Powys, Wales
14.
Miss Grace's Lane
Miss Grace's Lane, is a natural cave system near Tidenham in the Forest of Dean, Gloucestershire, England,
15.
Otter Hole
Otter Hole is located near to the Wales–England border just north of Chepstow
16.
Shannon Cave
Shannon Cave is an active stream passage cave which straddles the border of County Fermanagh, Northern Ireland and County Cavan in the Republic of Ireland.