Issam Salsaa of Bethlehem has created a number of detailed models of Jerusalem and Bethlehem that are quite impressive. You can check out his YouTube videos to see several of them:
The Citadel of David (and a second)
The Church of the Holy Sepulcher
The Church of the Nativity (and with lights)
Olive wood model of the Citadel of David, created by Issam Salsaa
