30. Reina Sofia (GCTS)

Tenerife is the largest and most-populated island of the eight Canary Islands. Approximately five million tourists visit Tenerife each year, making it the most-visited island of the archipelago. Teide National Park is also a UNESCO World Heritage Site and is in the center of the island. In it, the Mount Teide has the highest elevation of Spain, the highest of the islands of the Atlantic Ocean, and is the third-largest volcano in the world from its base.

31. Tazadit(GQPZ)

We're off to Zouérat in Mauritania. Zouérat is the largest town in northern Mauritania and the capital of Tiris Zemmour region, with an approximate population of 44,649. It lies at the eastern end of the Mauritania Railway to Nouadhibou.

32. Moudjeria (GQNL)

Moudjeria is a town and commune in the Tagant Region of southern-central Mauritania, founded in 1934 as an administrative post by the French.

33. Sadiola Gold Mine (GAKY)

The Sadiola Gold Mine is an open-pit gold mine situated near Sadiola, in the Kayes Region of Mali. Mining in this region of Mali, according to old workings, dates back at least 1,000 years and written records confirm that small scale mining was carried out there for most of the past 300 years.

34. Gbessia (GUCY)

A port city, it serves as the economic, financial and cultural centre of Guinea. Its population as of the 2014 Guinea census was 1,660,973. Conakry is serviced by Gbessia International Airport which has flights to several cities in West Africa and Europe.

35. Roberts International (GLRB)

Monrovia is the capital city of the West African country of Liberia. Located on the Atlantic Coast at Cape Mesurado, Monrovia has a population of over 1 million people. In 1816, with the aim of establishing a self-sufficient colony for emancipated American slaves, something that had already been accomplished in Freetown, the first settlers arrived in Africa from the United States, under the auspices of the American Colonization Society.

36. Sassandra (DISS)

Sassandra is a town in southern Ivory Coast. It lies on the Gulf of Guinea at the mouth of the Sassandra River. The town was founded by the Portuguese as Santo André and was later run by the British, then the French as a seaport for timber. Sassandra is known for its beaches and lighthouse, while the Gaoulou National Park lies nearby.

37. Accra (DGGA)

Accra is the capital of Ghana. With an estimated urban population of 4.2 million and is the most densely populated city in Ghana. One of the most influential decisions in the history of the city was that of building the Accra-Kumasi railway in 1908. This was to connect Accra, the country's foremost port at that time, with Ghana's main cocoa-producing regions. In 1923, the railway was completed, and by 1924, cocoa was Ghana's largest export.

38. Lagos (DNMM)

Lagos is the most populous city in Nigeria and the African continent. Lagos is a major financial centre for all of Africa and is the economic hub of Lagos State. The exact population of Metropolitan Lagos is disputed. The population figure of Lagos State given by the Lagos State Government is 17.5 million. The Port of Lagos is Nigeria's leading port and one of the largest and busiest in Africa. It is administered by the Nigerian Ports Authority.

39. CALABAR (DNCA)

It was originally named Akwa Akpa, in Efik language. The city is adjacent to the Calabar and Great Kwa rivers and creeks of the Cross River. Since the 16th century, Calabar had been a recognized international seaport, shipping out goods such as palm oil.