Yılanlı Kale (Castle of Serpents), an 11th-century crusader castle built on a historical road connecting Taurus mountains to the city of Antakya. Castle has 8 round towers, and there ıs a military guardhouse and a church in the castle. Castle is located 5 km. west of Ceyhan. Anazarbus Castle was built in the 3rd century and served as the centre of the ancient metropolis of Anavarza. The city was built on a hill and had a strategic importance, controlling the Cilicia plain. Main castle and the city walls are remains of the city. City wall is 1500m. long and 8-10m. high and there are 4 entrances to the city. Castle is located 80 km. northeast of Adana. Şar (Comona), ancient city located in northernmost Cilicia, some 200 km. north of Adana, near Tufanbeyli. It is a historical centre of Hittites. Remaining structures today are, the amphitheatre built during Roman period, ruins of a church from Byzantine and rock works from Hittites. Church of St. Peter in Antakya, was converted into a church while it was a cave on the slopes of Habibi Neccar mountain. The church is known as the first Christians' traditional meeting place. The church was declared a "Place of Pilgrimage" for Christians by Pope Paul VI in 1963, and since then a special ceremony is held on the 29 of June of each year. St. Simeon Monastery, a 6th-century giant structure built on a desolate hill 18 km south of Antakya. The most striking features of this monastery are its cisterns, its storage compartment, and the walls. It is believed that St. Simeon resided here atop a 20-meter stone column for 45 years. Parks and conservation areas Akyatan Lagoon is a large wildlife refuge which acts as a stopover for migratory birds voyaging from Africa to Europe. The wildlife refuge has a area made up of forests, lagoon, marsh, sandy and reedy lands. Akyatan lake is a natural wonder with endemic plants and endangered bird species living in it together with other species of plants and animals. 250 species of birds are observed during a study in 1990. The conservation area is located 30 km south of Adana, near Tuzla. Yumurtalık Nature Reserve covers an area of 16,430 hectares within the Seyhan-Ceyhan delta, with its lakes, lagoons and wide collection of plant and animal species. The area is an important location for many species of migrating birds,