Gazebos make us think of that magical Sound of Music scene where Leisl and Rolf sing "Sixteen Going on Seventeen," but you don't have to go to Austria to create a haven from storms and sun alike.

For about six years, farm owners Gayle and Doug Voepel, from outside of Hannibal, Missouri, were paying for insurance and taxes on their property's 1965 grain silo, which was no longer in use. The ...