When it comes to locations I'm one of those crazy authors who has to see it touch it taste it before I trust myself to recreate it for my readers. Having said that visiting a locked-down pediatric psych ward was the most intimidating research I've ever done - and I've visited maximum security prisons shooting galleries bone collections etc.
We can be tired weary and emotionally distraught but after spending time alone with God we find that He injects into our bodies energy power and strength.