Museum spokeswoman Katie Frassinelli said six of the cars were owned by the museum and two – a 1993 ZR-1 Spyder and a 2009 ZR1 Blue Devil – were on loan from General Motors.
Bowling Green city spokeswoman Kim Lancaster said the hole opened up at about 5:40am (9:40pm AEDT) on Wednesday, setting off an alarm and a call to the fire department.
Ms Frassinelli said no one was in the museum at the time. READ MORE AND SEE MORE PICS HERE
