Darganfod ac Archwilio’r Casgliad

VIVIAN SLATE QUARRY

DOWLAIS IRONWORKS, MERTHYR TYDFIL

VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY

RHIW-BACH SLATE QUARRY

VIVIAN SLATE QUARRY

DOWLAIS IRONWORKS, MERTHYR TYDFIL

FORT BELAN;BELAN FORT, LLANDWROG

HAFOD UCHTRYD MANSION, PONTRHYDYGROES

UPPER BANK COPPERWORKS, SWANSEA

RHIW-BACH SLATE QUARRY

DOWLAIS IRONWORKS, MERTHYR TYDFIL

FORT BELAN;BELAN FORT, LLANDWROG

HAFOD UCHTRYD GARDENS, PONTRHYDYGROES

LLANAERON; LLANERCHAERON HOUSE

HAFOD UCHTRYD MANSION, PONTRHYDYGROES

PENRHOS ENGINE HOUSE; PEN-RHOS ENGINE HOUSE,...

LLANENGAN WINDMILL

RHIW-BACH SLATE QUARRY

SWANSEA CANAL

VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY

LLANAERON; LLANERCHAERON HOUSE

FORT BELAN DOCKYARD, LLANDWROG

CAPEL NEWYDD WELSH INDEPENDENT CHAPEL,...

FORT BELAN;BELAN FORT, LLANDWROG

FORT BELAN;BELAN FORT, LLANDWROG

MILESTONE, SOUTH-WEST OF LLANGYBI VILLAGE

FORT BELAN;BELAN FORT, LLANDWROG

HAFOD UCHTRYD MANSION, PONTRHYDYGROES