The Shell Grotto - - is a Grade II* listed late-18th-century stone built, cylindrical, slate roofed shell grotto decorated with shells and animal bones on the interior. It stands on a prominent ridge 700 ft (213 m) above sea level, within the boundary of Pontypool Park, Torfaen in south Wales. It is considered to be the best surviving grotto in Wales. It is an important local landmark commanding views south towards the Severn Estuary. A little further along the same ridge can be found the Folly Tower.
Gelligaer Coal And Iron Stone ⓘ coal mine in Wales
Gelligaer Coal And Ironstone ⓘ coal mine in Wales
Gelligaer Colliery, Nelson ⓘ coal mine in Wales
File:Gelligaer Quarry (geograph 5091871).jpgGelligaer quarry ⓘ Sandstone quarry on the Gelligaer Common in the village of Gelligaer, in Merthyr Tydfil County Borough, Wales, United Kingdom
George Colliery ⓘ coal mine in Wales
Gethin Pit No.1, Abercanaid ⓘ coal mine in Wales
Gethin Pit No.2, Abercanaid ⓘ coal mine in Wales
Gilfach Colliery (west), Gilfach, Bargoed ⓘ coal mine in Wales
Ironstone Quarries at Carreg Maen Taro ⓘ quarry in the UK
Isaac Morgan's Pit, Merthyr Tydfil ⓘ coal mine in Wales
Kays Slope Colliery ⓘ former colliery in Blaenavon
Lan Colliery, Hopkinstown, Pontypridd ⓘ coal mine in Wales
Lewis Merthyr Colliery ⓘ coal mine in Wales
Llan Drift Mine, Gwaelod Y Garth, Taff's Well ⓘ coal mine in Wales
Llanbradach Colliery (Glamorgan, Wales) ⓘ coal mine in Glamorgan, Wales
Llancaiach Colliery ⓘ Welsh coal mine active 1811-1887
Llanhilleth Colliery ⓘ former colliery in Llanhilleth
Llety-shenkin Colliery (upper) ⓘ coal mine in Wales
Lord's Grove Stone Quarry ⓘ stone quarry in Monmouth, Monmouthshire
Lower Colliers Level I ⓘ coal mine in Wales
Lower Colliers Level Ii ⓘ coal mine in Wales
Lower Colliers Level Iii ⓘ coal mine in Wales
Lower Colliers Post-1905 Level ⓘ coal mine in Wales
Lower Duffryn Pit, Cwmpennar ⓘ coal mine in Wales
Lower Dyffryn Colliery - Lower ⓘ coal mine in Wales
Lower Dyffryn Colliery - Upper ⓘ coal mine in Wales
Lower Fan Pit ⓘ coal mine in Wales
Lower Plas Colliery ⓘ coal mine in Wales
Lower Varteg Colliery ⓘ coal mine in Wales
Maclaren Colliery ⓘ coal mine in Wales
Maclaren Colliery, Abertysswg ⓘ coal mine in Wales
Maendy Quarry ⓘ quarry in Rhondda Cynon Taf, Wales, UK
Marine Colliery Pumping Engine ⓘ coal mine in the UK
Marine Colliery, Cwm ⓘ coal mine in Wales
Markham Colliery ⓘ coal mine in Wales
Marquess Red Ash Colliery, Blaenavon ⓘ coal mine in Wales
Middle Dyffryn Colliery ⓘ coal mine in Wales
Middle Pit, Cwmpennar ⓘ coal mine in Wales
Milfraen Colliery, Blaenavon ⓘ coal mine in Wales
Miskin Colliery ⓘ coal mine in Wales
Mynachdy Colliery, Ynysybwl ⓘ coal mine in Wales
Mynydd Bedwellte, Coal Mine Iii ⓘ coal mine in Wales
Mynydd Bedwellte, Coal Mine I ⓘ coal mine in Wales
Mynydd Bedwellte, Coal Mine Ii ⓘ coal mine in Wales
Mynydd Bedwellte, Coal Mine Iv ⓘ coal mine in Wales
Mynydd Fochriw, Coal Level ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level I ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Ii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Iii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Iv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Ix ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level L ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Li ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Liii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Liv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lix ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lviii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lx ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxiii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxiv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Lxviii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level V ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Vi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Vii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Viii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level X ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xiii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xiv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xix ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xl ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xli ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xliii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xliv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlix ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xlviii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xviii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level XX ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxiii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxiv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level XXIX ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxviii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxx ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxiii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxiv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxix ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxv ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxvi ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level Xxxvii ⓘ coal mine in Wales
Mynydd Tyntyle, Coal Level XXXVIII ⓘ coal mine in Wales
Nantgarw Colliery ⓘ Welsh coal mine active 1910-1986
Nantwen Colliery ⓘ coal mine in Wales
Navigation Colliery ⓘ coal mine in Crumlin, Wales
Navigation Colliery, Pontypridd ⓘ coal mine in Wales
New Church Colliery ⓘ coal mine in Wales
New Dyffryn Colliery ⓘ coal mine in Wales
New Pit ⓘ coal mine in Wales
New Pit, Holding Down Bolts ⓘ coal mine in Wales
New Pit, Remains Of Shaft ⓘ coal mine in Wales
New Pit, Rubble Mound ⓘ coal mine in Wales
New Pit, Stone Spread ⓘ coal mine in Wales
New Rock Colliery ⓘ coal mine in Wales
New Tredegar Colliery ⓘ former colliery in New Tredegar
Newplace Colliery, Pengam ⓘ coal mine in Wales
Nine Mile Point Colliery ⓘ Welsh coal mine
Nixon's Navigation Colliery ⓘ former coal mine in Mountain Ash
No.1 Pit (dowlais) ⓘ coal mine in Wales
No.6 Pit (dowlais) ⓘ coal mine in Wales
Oakdale Colliery ⓘ coal mine in the UK
Ochr-y-mynydd Level Iv ⓘ coal mine in Wales
Ochr-y-mynydd Level Ix ⓘ coal mine in Wales
Ochr-y-mynydd Level V ⓘ coal mine in Wales
Ochr-y-mynydd Level Vi ⓘ coal mine in Wales
Ochr-y-mynydd Level Vii ⓘ coal mine in Wales
Ochr-y-mynydd Level Viii ⓘ coal mine in Wales
Ochr-y-mynydd Level X ⓘ coal mine in Wales
Ochr-y-mynydd Level Xi ⓘ coal mine in Wales
Ochr-y-mynydd Tramming Level I ⓘ coal mine in Wales
Ochyr-y-mynydd Coal Level I ⓘ coal mine in Wales
Ogilvie Colliery ⓘ former coal mine in Deri, Wales
Old Beam Pump & Winding Engine, Glyn Pits ⓘ scheduled monument in Wales
Old Dyffryn Colliery ⓘ coal mine
Old Dyffryn Colliery ⓘ coal mine in Wales
Old Rock Colliery ⓘ coal mine in Wales
Pen-cae Level Ii ⓘ coal mine in Wales
Pen-y-coedcae Level (east) ⓘ coal mine in Wales
Pen-y-coedcae Level I ⓘ coal mine in Wales
Pen-y-darren Colliery, Merthyr Tydfil ⓘ coal mine in Wales
Pen-y-darren Disused Coal Pits, Merthyr Common East, Ne Of Pentrebach ⓘ coal mine in Wales
Penallta Colliery ⓘ coal mine in the UK
Pendyrys Colliery ⓘ coal mine in Wales
Pengam Colliery, Pengam ⓘ coal mine in Wales
Penhow Stone Quarry, W of Llanvaches ⓘ stone quarry in Llanvaches, Casnewydd
Penrhiw Colliery ⓘ coal mine in Wales
Penrhiw-ceibr Colliery ⓘ former colliery in Penrhiwceiber
Penrhiwceibr Colliery ⓘ coal mine in Wales
Pentwyn Colliery ⓘ coal mine in Wales
Pentwyn Mine (coal) ⓘ coal mine in Wales
Penwaen Coal Level ⓘ coal mine in Wales
Pit Head Building, Headframe And Tram Circuit, Big Pit Coal Mine, Blaenavon ⓘ coal mine in Wales
Plas Colliery, Pengam ⓘ coal mine in Wales
Pochin Colliery, Tredegar ⓘ coal mine in Wales
Prince Of Wales Colliery ⓘ coal mine in Wales
Pwll Du Limestone Quarry & Water Balance Lift ⓘ quarry in the UK
Pwll-yr-allt Colliery ⓘ coal mine in Wales
Raslas Pit ⓘ coal mine in Wales
Rhondda Heritage Park ⓘ tourist attraction and museum in Trehafod, Rhondda, Wales, United Kingdom
Rhos Colliery ⓘ coal mine in Wales
Rhos-llantwit Colliery ⓘ coal mine in Wales
Rhyd-yr-helyg Colliery, Treforest ⓘ coal mine in Wales
Rhymney Hill, Coal Mine ⓘ coal mine in Wales
Rhymney Merthyr Colliery ⓘ coal mine in Wales
Rock Colliery ⓘ coal mine in Wales
Six Bells Colliery ⓘ coal mine in the UK
South Cambria Colliery ⓘ coal mine in Wales
South Dyffryn Coal Pits And Level ⓘ coal mine in Wales
South Tunnel Pit ⓘ coal mine in Wales
Stowfield quarry ⓘ quarry in the Forest of Dean, Gloucestershire, England
Taff Colliery ⓘ coal mine in Wales
Taff Merthyr Colliery, Bedlinog ⓘ coal mine in Wales
Terrace Colliery ⓘ coal mine in Wales
Tintern Quarry ⓘ Disused quarry in Gloucestershire
Tirpentwys Colliery ⓘ coal mine in Wales
Tophill Colliery, Nelson ⓘ coal mine in Wales
Tre-aman Colliery ⓘ coal mine in Wales
Tredomen Colliery ⓘ coal mine in Wales
Trefil Quarries North ⓘ quarry in the UK
Trelewis Drift Mine, Bedlinog ⓘ coal mine in Wales
Tunnel Colliery ⓘ coal mine in Wales
Tunnel Pits ⓘ coal mine in Wales
Ty Trist Colliery ⓘ coal mine in Wales
Ty-trist Colliery ⓘ coal mine in Wales
Tylorstown No.8 Colliery ⓘ former coal mine in Rhondda Cynon Taf, Wales
Universal Colliery ⓘ coal mine in Senghenydd, Wales
Universal Colliery, Senghenydd ⓘ coal mine in Wales
Upper Cwmbran Coal Mine ⓘ coal mine in Wales
Upper Dyffryn Colliery ⓘ coal mine in Wales
Vivian Pit, Abertillery ⓘ coal mine in Wales
Wenvoe Quarry ⓘ Quarry in South Wales
Werfa Colliery ⓘ coal mine in Wales
Wernddu Colliery ⓘ coal mine
Whitecliff Quarry ⓘ quarry in Gloucestershire, England, UK
Whitworth Colliery ⓘ coal mine in Wales
Winch Fawr Level V ⓘ coal mine in Wales
Windsor Colliery ⓘ coal mine in Abertridwr, Wales
Wingfield Pit ⓘ coal mine in Wales
Wyllie Colliery ⓘ coal mine in the UK
Ynyshir Mineworkings ⓘ former coal mine in Ynyshir
Ysgubor-wen Balance Pit ⓘ coal mine in Wales
Victoria Colliery ⓘ former colliery in Ebbw Vale
Penybont Colliery ⓘ former colliery in Abertillery
Lower Deep Colliery ⓘ former colliery in South Wales
Lady Windsor Colliery ⓘ coal mine in Wales
Abercynon Colliery ⓘ Welsh coal mine active 1889-1988
Vivian Colliery ⓘ former coal mine in South Wales
McLaren Colliery ⓘ former colliery in Abertysswg
Torycoed Colliery ⓘ former colliery near Llantrisant, Rhondda Cynon Taf
Garn Slope Colliery ⓘ former colliery in Blaenavon
The Winding House ⓘ mining and local heritage museum in South Wales
Big Pit National Coal Museum ⓘ former coal mine and industrial heritage museum in Blaenavon in south-east Wales, United Kingdom
Abernant Tunnel ⓘ railway tunnel in the UK
Ashford tunnel N Portal (Monmouthshire and Brecon Canal) ⓘ Grade II listed building in Powys. Adjacent to B4558, W of Ashford.
Ashford Tunnel S Portal (Monmouthshire and Brecon Canal) ⓘ Grade II listed building in Powys. Adjacent to the B4558, NE of Ashford Cottage.
Barrack Hill Canal Tunnel Portal ⓘ grade II listed building in Newport City. Near the bottom of the very steep Barrack Hill just before it curves to S.
Bryn Tunnel ⓘ railway tunnel in the UK
Brynglas Tunnels ⓘ tunnels in Wales
Caerphilly Tunnel ⓘ railway tunnel in the UK
Canal Tunnel between Sebastopol and Cwmbran, including attached revetment walls ⓘ Grade II listed building on Monmouthshire & Brecon Canal, about 450m north of Five Locks Road.
Gaer Tunnel ⓘ railway tunnel in the UK
Glyn Tunnel ⓘ railway tunnel in the UK
Hill's Tramroad Tunnel ⓘ
Morlais Tunnel ⓘ railway tunnel in the UK
Penar Tunnel ⓘ railway tunnel
Pontypridd Graig Tunnel ⓘ railway tunnel in the UK
Pwll Du Tunnel ⓘ horse-drawn tramway tunnel at Blaenavon, Torfaen, Wales
Quakers Yard Tunnel ⓘ railway tunnel in the UK
Redbrook Lower Tunnel ⓘ railway tunnel in the UK
Redbrook Upper Tunnel ⓘ railway tunnel in the UK
Stow Hill Railway Tunnel ⓘ Grade II listed building in Newport City. Takes railway line under Stow Hill from a point S of Newport Station, emerging near Llandaff Street.
Tidenham Tunnel ⓘ railway tunnel in the UK
Tintern Tunnel ⓘ railway tunnel in the UK
Torpantau Tunnel ⓘ railway tunnel in Tal-y-bont on Usk, Wales
Tramroad and leat tunnels, Monmouthshire and Brecon Canal ⓘ Grade II listed building in Torfaen County Borough. Approached from Fountain Road about 400m south-east of Pontymoile roundabout.
Treforest Tin Works Tunnel ⓘ
Tunnel under Canal ⓘ Grade II listed building in Monmouthshire. At Llanfoist Wharf which is situated uphill to the south-west of Llanfoist Parish Church. Also passes under Boathouse Cottage.
Usk Tunnel ⓘ railway tunnel in the UK
Walnut Tree Tunnel ⓘ railway tunnel in the UK
Severn Tunnel ⓘ railway tunnel under the Severn estuary
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Shell Grotto, Pontypool
Track to the Shell Grotto, Pontypool
