This week The Times of Israel Podcast is taking you on a journey through thousands of years of history and archaeology at the Tower of David Museum in Jerusalem’s Old City.It’s undergoing a huge renovation, which will make the Crusader-period building more accessible and double the space of the indoor galleries. But because they can’t build up, the museum, in cooperation with the Israel Antiquities Authority, is going deep down into a Crusader moat that was filled in during the Ottoman period.We speak first with Eilat Leiber, the director and head curator of the 30-year-old museum. And then with Amit Re’em, the IAA’s Jerusalem district head. He gives us a deep, detailed historical overview — and takes us behind the scenes at the excavation. Emphasis on the word "behind."