40-foot wide sinkhole creates `` millions '' in damages at National Corvette Museum . ` ` There 's a cave down there , '' says museum spokeswoman . Engineers say Sky Dome suffered no structural damage . And for many enthusiasts , it is kind of the Church of the Corvette . The sinkhole, which is about 40 feet wide, was caused by the collapse of an underground pipe that carries water to the cavern from below ground.
40-foot wide sinkhole creates `` millions '' in damages at National Corvette Museum . ` ` There 's a cave down there , '' says museum spokeswoman . Engineers say Sky Dome suffered no structural damage . The sinkhole, which is about 40 feet wide, was caused by the collapse of an underground pipe that carries water to the cavern from below ground.