Rome’s abundant museums, monuments, churches, and important sites number in the hundreds, if not thousands. In a year of visits, you might only make a significant dent (at best) in everything there is to see here. However, it’s possible to get a real feel for the culture of the Eternal City and the world through a cross-section of the best ones, with a museum for every age and mood. From walks among ruins in the Roman sunshine to explorations in opulent, art-filled villas, here is our guide to the city’s most vaunted and underrated treasures.