Travelers are voting Tokyo Tower, Tokyo Skytree and Roppongi Hills Mori Tower as the best of 78 key buildings in Tokyo. There are 1 key building in Tsukuba a city just 32 km from Tokyo and 4 key buildings in Oiso which is 34 km distant. The most popular of these are Saitama Stadium 2002 in Tsukuba and Yokohama Landmark Tower in Oiso. You can find 90 key buildings in Kanto Region and 170 key buildings in the country of Japan. Our members favorite in Kanto Region is Tokyo Skytree and Tokyo Tower is the top pick in Japan. Want more? Check out our map of key buildings in Tokyo.