There are a variety of excavations inside and outside Israel for those interested in “biblical archaeology.” There are a few lists of these, including one in Biblical Archaeology Review (in Israel) and Archaeology Odyssey (outside Israel).
There are two that I would particularly recommend, both for the sites’ biblical significance as well as the teams that are involved. Hazor and Gezer were two of the most important sites in ancient Israel, with mention in the ancient sources as early as the 2nd millennium B.C. Both are also noted as cities that Solomon fortified (1 Kings 9:15). This year however will be the first time that both sites are being excavated at the same time.
A new expedition is beginning at Gezer under the direction of Dr. Steven Ortiz, of New Orleans Baptist Theological Seminary, together with Sam Wolff of the Israel Antiquities Authority. They will be excavating from June 4 – July 7, are accepting volunteers for a minimum of 2 weeks. Ortiz is a well-trained archaeologist who is also a committed evangelical believer. I expect that the excavation team will include many believers, making it a better option for Christians than other digs (some of which are known for a more party-like atmosphere on the weekends). For more information, see GezerProject.org.
Excavations are continuing at the northern site of Hazor under the direction of Dr. Amnon Ben-Tor of Hebrew University. The evangelical group, the Associates for Biblical Research, is planning to participate for a third season. The dates for the ABR program (which includes touring) are June 27 to July 16. Ben-Tor is highly respected in the field, and Hazor is a site where much of interest has been revealed. If you are interested in participating with ABR at Hazor, see their website.
Both are recommended without reservation!