Palazzo Massimo alle Terme is the single most important museum most tourists skip in Rome. The Boxer at Rest (3rd-1st century BC Hellenistic bronze — a beaten boxer, blood on his gloves, exhaustion in his eyes, the most psychologically real ancient sculpture) sits on the ground floor. The Garden Room of Livia (30 BC — an entire room painted as a garden: trees, flowers, birds, fruit — the most beautiful surviving Roman painting) requires a booked guided visit on the second floor. €10 combo covers this + 3 other museums. Zero queues. Ever.
Must-see: Boxer at Rest (ground floor — walk around it, look at the cuts on his face, the swollen ears, the leather glove detail). Discobolus (Roman copy of Myron's discus thrower). Garden Room (book ahead): 360° garden frescoes — pomegranate trees with individual seeds, quince heavy on branches, birds in flight, a fence separating cultivated from wild nature. The illusion: standing in a windowless underground room that feels like standing in a sunlit garden. Practical: Largo di Villa Peretti 2 (near Termini). €10 combo (4 museums, 3 days). Tue-Sun 9:30am-7:30pm. Full MNR guide →