After the archaeological investigations, preliminary to the recovery and restoration project, from 1 March 2021, the Mausoleum of Augustus, one of the most impressive architectural Roman buildings and the largest circular tomb in the ancient world, reopens to the public. A key monument in the transition from republican to imperial Rome, the Mausoleum is perhaps the most eloquent example of the reuse, reinterpretation, and rediscovery of ancient remains ever.