More than 500 homes - including a retirement village - could be built on the site of a derelict theme park in Derbyshire. Once a major tourist attraction for the region, 'American Adventure' (pictured) near Ilkeston was a popular day out for thousands of families. During its heyday the park was home to 'The Missile', the UK's top-rated rollercoaster, and its log flume 'Nightmare Niagra' was the country's highest. But due to dwindling attendances the park closed in 2007 and in recent years has...