A list of the tallest buildings in Japan, with photos. These are the highest buildings in Japan, skyscrapers that tower over their respective cities. When we examine a country's tallest structures, we often discover a timeline of that country's economic success. Why? Because skyscrapers are a structure typically built only during healthy economic times. The tallest building in Japan is currently the Yokohama Landmark Tower. You will find it and plenty of other steel towers within this list of Japan's tallest buildings.