It is an important castle 40 km east of Adana, 13 km to Ceyhan and on the banks of Ceyhan River. It was built on a hill in Eastern Roman period in Çukurova Plain. Although it is not known whom the building was built by, it is obvious that it is a medieval work. It can control important commercial axes on the Aleppo trade route and the connection route to the Silk Road. It is one of the Crusader castles built in the 11th century in Middle Age. While the name of the castle, which was abandoned since 1357 during the Ramazanoğlu Principality Period, was Kovara, the famous Turkish traveler Evliya Çelebi, who passed here in 1671, introduced the castle as Şahmeran Castle. Shahmaran, mentioned in legends, is a creature whose head is a snake and is the master of snakes.
It is in Kurtkulağı Village, 12 km southeast of Ceyhan. It was built by Hüseyin Pasha on the Aleppo Kervan Road in the early 17th century. It was repaired by architect Mehmet Ağa in 1659. Kurtkulağı Caravanserai is also known as Menzil Inn.
Süleyman Tower is a historical structure located in the Karataş district of Adana. Believed to have been built for defensive purposes during the Ottoman period, this tower stands out for its strategic position along the Mediterranean coast. Constructed to protect the port of Karataş and ensure the security of the surrounding area, Süleyman Tower reflects the architectural characteristics of military structures of its time. The cliffs below the restored tower feature historic rock tombs. With its proximity to the shore and scenic sea view, this tower holds historical and touristic value, offering visitors significant insights into Adana's past.