The technology we developed for the Mu2e Cosmic Ray Veto has many applications. It is being considered for a project to search for hidden chambers in the Great Pyramind of Khufu in Giza, the DUNE near detector, a neutrino detector in India, and will be used for a plan to search for hiddern chambers in the El Castillo pyramid in Chichen Itza.
A link to the article in the Journal for Advanced Instrumentation in Science: Link
If the above link has gone stale, try this pdf version
A series of articles and videos about the Exploring the Great Pyramid project: