The most important monuments of the site are:
- The ancient theatre of Early Hellenistic date (4th/3d century B.C.)
- The ancient Agora
- The Bouleuterion
- The walls
- The hekatompedon temple of Mesopolitidos Artemis
- The prehistoric tumulus
- Bridge of Archaic date
- Prehistoric settlement on the site "Katalymata" and prehistoric drainage systems.
Mycenaean settlement and ancient sanctuary on the site "Mytikas" , Palaiopyrgos.
Ancient sanctuary and early Christian Basilica situated between Orchomenos and Palaiopyrgos Mantineias.