Castell Penrhyn
CAPEL NEWYDD WELSH INDEPENDENT CHAPEL,...
MINERA LEAD MINES: MEADOW SHAFT LEAD MINE;CITY...
FORT BELAN;BELAN FORT, LLANDWROG
LLANAERON; LLANERCHAERON HOUSE
HAFOD UCHTRYD MANSION, PONTRHYDYGROES
VIVIAN SLATE QUARRY
UPPER BANK COPPERWORKS, SWANSEA
FORT BELAN DOCKYARD, LLANDWROG
DINORWIC SLATE QUARRY
CRIBARTH QUARRIES
HAFOD UCHTRYD GARDENS, PONTRHYDYGROES
DOWLAIS IRONWORKS, MERTHYR TYDFIL
CEFN CRIBWR IRONWORKS; BEDFORD IRONWORKS, CEFN...