AMERICUS, Ga. – The grand historic mansions of Americus, Ga., a historic Southern town, have become infested with millions of bats – so many that the sky turns black with them as the sun sets.

Buy Now Heyward Hutson, president of the Summerville Preservation Society at the group’s headquarters, Summerville’s Old Town Hall located at 201 W Carolina Ave. Joy Bonala/Journal Scene ...

In 2013, about 47 percent of owner-occupied homes in the U.S. were at least 40 years old, up from 27 percent in 1991, according to an analysis of Census Bureau data by the homebuilder group.