I have met many Palesitnians who came to visit Israel. If you have a passport from an enemy state, that may be a reason. But in principle, a Palestinian can come visit. Also, these are not your legal homes. What law are you refering to? In fact, the homes likely don't exist anymore.
Western-backed Syrian rebels say kill foreign Islamic State (Reuters)
from the article: Two Jewish women to be allowed to visit old homes in Libya