Giant's Causeway and Causeway Coast (1986) More than 40,000 volcanic basalt columns rising out of the Irish Sea.

Durham Castle and Cathedral (1986) The best examples of 11th century Norman architecture in the United Kingdom.

Ironbridge Gorge (1986) Dating from 1708, the first bridge in the world to be built of iron.

Studley Royal Park including the Ruins of Fountains Abbey (1986) A ruined Cistercian Abbey, medieval deer park, Gothic revival castle and 18th century landscaped gardens.

Stonehenge, Avebury and Associated Sites (1986) Neolithic stone circles, long barrows and other ancient monuments.

Castles and Town Walls of King Edward in Gwynedd (1986) The medieval fortifications of Beaumaris, Harlech, Caernarfon and Conwy.

St Kilda (1986) Volcanic archipelago west of the Hebrides, home to colonies of puffins and gannets.

Blenheim Palace (1987) The 18th century palace and gardens granted to the Duke of Marlborough.

Westminster Palace, Westminster Abbey and St Margaret's Church (1987) Home to United Kingdom parliamentary democracy, medieval abbey and church.

City of Bath (1987) Famous for the Roman Baths and its neoclassical Georgian architecture.

Hadrian's Wall (1987) Built by the Roman Emperor Hadrian to safeguard the northern frontier of his empire.

Henderson Island (1988) Uninhabited island in the South Pacific, noted for its plants and birds.

Tower of London (1988) Originally a Norman fortress built by William the Conqueror to protect London.

Canterbury Cathedral, St Augustine's Abbey, and St Martin's Church (1988) The Christian centre of England founded in 597 AD.

Old and New Towns of Edinburgh (1995) The medieval citadel and 18th century neoclassical New Town.

Gough and Inaccessible Islands (1995) South Atlantic Islands, home to unique birds and plants.

Maritime Greenwich (1997) Greenwich Park and the associated 17th and 18th century buildings.

Heart of Neolithic Orkney (1999) Stone Age ceremonial, burial and dwelling sites.

Historic Town of St George and Related Fortifications, Bermuda (2000) Founded in 1612, the oldest English settlement in the New World.

Blaenavon Industrial Landscape (2000) Preserved 19th century iron and steel works and workers' housing.

Saltaire (2001) Victorian industrial village designed to philanthropic plan.

Dorset and East Devon Coast (2001) Where 185 million years of geology are exposed in the cliff face.

Derwent Valley Mills (2001) Preserved 19th century cotton mills and workers' housing.

New Lanark (2001) Robert Owen's 19th century model industrial village.

Royal Botanic Gardens, Kew (2003) Historic landscaped gardens and home to scientific plant collections.

Liverpool – Maritime Mercantile City (2004) A centre of world trade and commerce, mass migration of people and dock technology.