Sinkholes

In Ripon, North Yorkshire, a woman recalls how a huge hole opened up next to her house more than 60 feet wide and 30 feet deep. In Florida, a sink hole appeared directly below a property, sucking a resident deep underground in the process.

Documentary examining real-life cases where sinkholes have opened up, swallowing cars, homes and even people.

Documentary series looking at one of the most destructive forces known to man.