The Roman Bath, one of the biggest buildings of Hierapolis antique city, has been used as Hierapolis Archaeology Museum, since 1984.

In this museum, Alongside the historical artifacts which were founded in Hierapolis arches, there are some artifacts from Laodiceia, Colossae, Tripolis, Attuda and other towns of the Lycos (Çürüksu) valley.In addition to these, the museum has a large section devoted to artifacts found at Beycesultan Hüyük that includes some of the most beautiful examples of Bronze age craft.

The artifacts which have come from the arches in the Caria, Pisidia and Lydia regions are also on display in this museum. The museum’s exhibition space consists of three closed areas of the Hierapolis Bath and the open areas in the eastern side which are known to have been used as the library and the gymnasium. The artifacts in open exhibition space are mostly marble and stone artifacts.

Tombs and Statues Gallery: This room contains foundings from the excavations in Hierepolis and Laodiceia, including sarcophagi, statues, grave stones, pedestals, pillars and inscriptions. Among these artifacts there are statues of Tyche, Dionysos, Pan.Asklepios, Isis, Demeter and Trion which although executed by the Romans, were inspired by the Grek and Hellenistic traditions. The representations of local customs on family tombs are particularly interesting 

The most beautiful examples of baked earth sarcophagi are specific to this area. One of the most valuable works of art in this room is the sarcophagus belonging to a certain Arhom, of the ‘Sidemare’ type. Once it is an inscription to Maximilion, and it is the finest work to emerge from the ancient towns of Lahdi and Laodicia.

Small Artifacts Gallery: In this room, there are small foundings from several civilizations of the last 4,000 years. These works, which are displayed in chronological order include works from many archaeological sites in and around Denizli. A special importance is given to the foundings from Beycesultan Höyük. These foundings are quite the most beautiful examples of an ancient civilization. These works, which were found in the excavation conducted by the British Institute of Archaeology include idols, baked earth bowls, libatian cups, seals and other stone artifacts. In other parts of the room are displayed objects from the Frigan, Hellenistic, Roman and Byzantine period such as glass cups, necklaces, gemstones (in the from of rings, bracalets, earrinngs and so on) and earthenware lamps.This room also contains an impotant sequence of ancient coins arranged in chronological order. The earliest of these coins were minted in the sixth century AD and the display proceeds through the Helenistik, Roman, Byzantine, Selçuk and Otoman periods with coins of gold, silver and bronze.

Theater's Ruins Gallery: In this room, decorative works from the theather of Hierapolis, most of which have been restored, are displayed. Some of the reliefs of the scenery building remain in site but parts of them have been replaced by copies. In the works that are found in the room there are reliefs devoted to the myth of Apollo and Artemis, the delights of Dionysos and the coronotion of the Roman Emperor Septimus Severus. There are depictions of the abduction of Persephone by Hades, Apollo, Leto, Artemis, and Hades and sculpted sphinxes. Sculpted relief reminiscent of of Attalos and Eumenes are on display. Inscriptions describing the coronation of the goddess Hierapolis and dicisions of the assemble concerning the assemble concerning the theater may be seen