Nice, quiet museum with finds from the Austrian excavations of ancient Ephesus, including the reliefs of the "Parthian Monument". The Kunsthistorisches Museum is at walking distance.
There are 28 items in Vienna, Ephesos Museum:
Ephesus, Temple of Artemis, Model
Ephesus, Temple of Artemis, Decoration
Ephesus, Temple of Artemis, Altar, an Amazon
Ephesus, Temple of Artemis, Lead figurine of the goddess
Livia with bust of Augustus
Ephesus, Model
Coin with the statue of Artemis of Ephesus; legend in Latin
Ephesus, Parthian Monument, Adoption of Marcus Aurelius
Ephesus, Parthian Monument, Lucius Verus
Ephesus, Parthian Monument, Battle scene
Ephesus, Parthian Monument, Apotheosis of Lucius Verus