The words “blessed,” “thankful” and “grateful” are stenciled in red on the steps leading to the Greater Mt. Nebo AME Church in Bowie. And for non-congregants, there is a measure of gratitude just finding the place: Many GPS systems take motorists to dead ends or private driveways instead of the church parking lot, which is hidden from U.S. 301 and its neighbors by 90 acres of lush fields and woodland.