Cheddar Gorge a tourist destination. In a 2005 poll of "Radio Times" readers, following its appearance on the 2005 television programme "Seven Natural Wonders", Cheddar Gorge was named as the second greatest natural wonder in Britain, surpassed only by Dan yr Ogof caves. The gorge attracts about 500,000 visitors per year. Cheddar is a gorge lying on the southern edge of the Mendip Hills. The maximum depth of the gorge is , with a near-vertical cliff-face to the south, and steep grassy slopes to the north. The B3135 road runs along the bottom of the gorge. The area is underlain by Black
Wookey Hole Caves in 1989. A collection of fairground art of Wookey Hole was sold in 1997 at Christie's. The present owner is the former circus proprietor Gerry Cottle, who has introduced a circus school. The cave was used for the filming of episodes of the BBC TV series "Doctor Who": the serial "Revenge of the Cybermen" (1975) starring Tom Baker. This has since been referenced in the comedy of "The League of Gentlemen". The cave was also used in the filming of the British series "Blake's 7" (1978) and "Robin of Sherwood" (1983). The caves were used again for "Doctor Who" in