Fukuoka City is the capital of the Prefecture of the same name. It is the largest city in Kyushu, followed by Kitakyushu. From its geographical location it has been strongly influenced by Korean food and is now a cultural exchange center of East Asia. One curious thing is that the local football team is called the "Avispa Fukuoka" ,that is particularly striking because, being a Japanese team it has the name in Castilian! (It was more exotic). Of course, the mascot is a Wasp) The city itself does not have many places to visit, but it is the door to many interesting places in Kyushu. I can highly recommend the climb to the Fukuoka Tower at night to enjoy the spectacular views.
Mojiko port was one of the most important communication ports on Kyushu island, as it was the closest to Honshu island, which made it a passage for the flow of trade between the islands. Currently there is a tunnel for trains and cars crossing the strait, but it has since lost its significance. On a tourism level, you should shop around the area: Mojiko Station is the oldest on the island and is a mini replica of the old Termini Station in Rome which was very influential and can be seen in the architecture of the buildings. On the other hand, this port used to be one of the main points for the passage of bananas from Okinawa and Southeast Asia to Japan, so many people were connected to this product. In memory, the port mascot is called "banana-man". You can see the mascot in one of the photos. ;)
This temple is located approximately 15 km from Fukuoka and is one of the most visited places in the area, not only in terms of tourism, but also on the religious leve. This temple has a shrine dedicated to a deity of study, so many students come here to pray for their exams. In addition, this temple is particularly beautiful in spring with blooming plum trees and the color of maple trees in autumn are splendid. A must if you come to Kyushu. It can be done with Fukuoka as your base. There are various points of access on the web.
Kyushu is the most southeren Japense island with the largest city being Fukuoka. It is a city of 1,500,000, modern young and agile people. Surrounding it are several of tourist attractions. The food is amazing and reasonably priced.
The Great Buddha of Sasaguri (篠栗 の 大仏) is an enormous statue with the image of a reclining Buddha, found in the temple Nanzoin (南 蔵 院). It was, they say, built on the word of a man who promised to build it if you won the bet. He kept his word. Sasaguri is in the province of Fukuoka, so if you find yourself in the area I really recommend that you go to visit the Buddha which, although not as well known as the Todaiji in Nara or Kamakura, is very majestic and striking. The easiest way to get there is to take the JR line from Hakata Sasaguri and get off at the Nanzoin-Mae Kido station (城 戸 南 蔵 院 前). It is an unforgettable experience.
Yakushima is an island located south of Kyushuu (one of the four main islands of Japan). To get there you have to go by boat from the port of Kagoshima (on the same island of Kyushuu). It is a tropical island where it rains more generous nature than 300 days per year resulting in lush vegetation. The main attraction are its forests of Yakushima, and especially, an area where a tree is ancient (prehistoric) securing has more than 7000 years. You have the option of many different tours, but the one that you really shouldn't miss is that of the yayoi tree (that's the name of that tree thousands of years) which lasts over 14 hours. A shorter route (although actually about 8 hours in total) is one that allows you to visit a cedar forest of about 300 years. What best defines the forest is "story", it is full of twists and turns, impossible shapes trees, roots thousands of feet vast and much moss. You can take a bus from the village to some of the paths, so that makes it pretty easy. I stayed in the village, in fact. Keep in mind that it is Very important is to wear good hiking shoes and rain gear because not only rain but there is always a constant humidity and areas without the sun. So everything is covered in a soft (and wet) moss and rocks are slippery. Also, there are some bears.