Cheddar Gorge 

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Cheddar Gorge slices through the region that gives its name to the world’s most popular cheese. It has been made since at least 1170: a pipe roll of King Henry II.

The limestone chasm is a spectacular geological occurrence and sits above an equally incredible network of caves filled with stalactites and stalagmites. The Cathedral-like Caves and Britain's biggest Gorge are million-year-old Ice Age riverbeds.

• You can take a 3-mile walk in which you'll wander the 300-acre grassland estate, and trekking back through National Trust land across the Gorge. You can also picnic on the highest inland cliffs in Britain.