In the northeast of the coastal settlement Emporios there is a fortress from the Hellenistic Age, Kastri with strong walls, two defence towers and a gate.
The Sanctuary of Dilio Apollo is one of the most important areas of Kalymnos which flourished from the Geometric to the Roman times. There were churches, a theatre, a gymnasium, a parliament,
In the Paleo-Christian Era (4th - early 7th century AD), Vathis flourished more than ever. It was the largest settlement surrounding the port of Rina in the southern part, named Hellenica.
The Castle of Chora is located northeast of Chora settlement and it was built in the 11th AD century and was repaired by the Knights of St. John in the late 15th century.
In the mid of the 15th century the Order of the Ioanniton Knights built the Castle of Chrisocherias which is located between Chora and Pothia. At its east is the chapel of Metamorfosi of Christ and
The Museum is located at the seaside village of Vlichada. It is a private museum, where exhibits related to sponge fishery are displayed, also a large variety of plants and
It is located on the southern edge of the Monastery of All Saints, in Vothini. It is a private Folk Museum of Mrs. Skilla Chalkidiou Faneromeni with many folklore objects and chattels of
At the Municipal Navy Museum the visitors can learn about the maritime tradition of the island and the history and methods of sponge fishery. Also there are objects from ancient
The Archaeological Museum of Kalymnos is located in Agia Triada in Pothia. In the Archaeological Museum of Kalymnos the historical and cultural evolution