Selling America's bunkers

Edward Peden and Dianna Ricke-Peden built their dream home in an unusual location -- an old underground missile bunker in rural Kansas.

Nearly 20 years later, they have turned that first step into a thriving real estate business.

Their bunker business, 20th Century Castles, helps sell decommissioned missile sites. They have closed more than 50 sales across the country.