ACEA Art Center. Old power station, with sculptures from the Capitolino collections. Via Ostiense 106.
Closter of the Cappucine monks. Decorations showing parts of skeletons, e.g. skulls combined to make a chandelier. A different experience - but you need a strong stomach! Via Vittorio Veneto 27.
The Etruscan museum. 2800-year crafts and objets d'art in a beautiful 16th century villa. Piazza Villa Giulia 9.
Galleria Doria Pamphilj. Shows the lifestyle of the upper classes during the Renaissance, exhibiting a rich collection of paintings. Piazza del Collegio Romano 2.
G.N.A.M. Rome's modern museum, including works by DeChirico, Carra', Kandinsky, Klimt and Cezanne. Viale delle Belle Arti 131.
Vatican Museums. The gardens, frescoes by Michelangelo and Raphael, the Renaissance, Greek marble, Egyptian mummies - it's all here. Viale del Vaticano.
The Vittorio Emanuele monument. A showpiece relating to the first king of Italy, Vittorio Emanuele I, with the grave of the unknown soldier and large art exhibitions. Via S. Pietro in Carcere.
Terme di Caracalla. Roman spa for 1600 people, dating back to 300 years AD. Concerts in the summer. Via delle Terme di Caracalla 52.