These bedevil many journalists, but they're easy. Capitalize U.S. Highway 89, or even U.S. 89. Read not only every entry for Christian churches, but also the entries for other religions. If one of those pairs makes sense, then use it's. I use funny word associations to remember things like this.
Jewish rabbi is redundant.
Jewish synagogue is redundant. Not as tricky as it might seem. Now it lies there. In the past tense, lay becomes laid, and lie becomes lay. It lay there for several hours before my brother picked it up.