Grimes Graves

At Grimes Graves today, visitors (10+) can descend 9 metres (30 ft) by ladder into one excavated shaft, an unforgettable experience: the only Neolithic flint mine open to visitors in Britain. A grassy lunar landscape of over 400 shafts, pits, quarries and spoil dumps

Visitors can use a hard hat and descend into one of the shafts to see the radiating galleries at the bottom and the marks made by the antler picks of the original miners.