[Reiver]

It may sound like fun but if you go in blind you can end up a statistic. Kidnapping/ransom are still a big thing....and the ransom often comes from those on the opposite side.
Hezbollah is big in certain areas of Beirut and has been for decades.
If you are travelling on a US passport that will be known as you have to show it often, as in at hotels etc.
It will be really nice or really bad.
IMO dumb move.
I've had to travel in that aor often for business. I do so very carefully and fully informed and usually armed.