The Great Dorset Steam Fair (since 2010 also known as The National Heritage Show) is an annual show featuring steam-powered

Steam engine

A steam engine is a heat engine that performs mechanical work using steam as its working fluid.Steam engines are external combustion engines, where the working fluid is separate from the combustion products. Non-combustion heat sources such as solar power, nuclear power or geothermal energy may be...

 vehicles and machinery. It now covers 600 acres (2.4 km²) and runs for five days from the Wednesday after the UK August bank holiday. It is reputedly the largest outdoor show in the world.

The fair was founded by Michael Oliver, who died in 2009, and has been held in Dorset

Dorset

Dorset , is a county in South West England on the English Channel coast. The county town is Dorchester which is situated in the south. The Hampshire towns of Bournemouth and Christchurch joined the county with the reorganisation of local government in 1974...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, every summer since 1969, currently at Tarrant Hinton

Tarrant Hinton

Tarrant Hinton is a village in North Dorset, England, situated in the Tarrant Valley five miles north-east of Blandford Forum. The village has a population of 195 ....

 near Blandford Forum.