The Seattle Times

1 of 2
JEFF BAENEN / AP
Advertising

Thursday, November 7, 2013

Minn. man's cave collection is his hobby, passion

John Ackerman gives a closeup look at his Spring Valley Caverns near Spring Valley, Minn., looking back to the place where he plans to be buried when he dies. Ackerman has discovered various caves in the area that he is helping preserve.