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