Though House of Livia is still being excavated, visit to see intricate frescoes creating trompe l'oeil effects like faux coffered ceilings. Views through open windows have been unearthed, as well as black-and-white geometric mosaic floors. Both can be seen only on a scheduled tour via the Super-Palatine ticket, which you must purchase in advance of your trip. The ticket includes entrance to House of Augustus and other Palatine Hill ruins.
Alternatively, book a private tour of Palatine Hill that includes a guided visit to the ruins, along with skip-the-line entrance to nearby ancient Roman monuments such as the Colosseum and Roman Forum.