Travelers are voting State Tower, Rama VIII Bridge and Bang Na Expressway as the best of 39 key buildings in Bangkok. There are 3 key buildings in Ayutthaya a city just 41 km from Bangkok and 1 key building in Phetchaburi which is 58 km distant. The most popular of these are Impact Muang Thong Thani in Ayutthaya and Hup Kraphong in Phetchaburi. You can find 41 key buildings in Central Thailand and 51 key buildings in the country of Thailand. Our members favorite in Central Thailand is Bang Na Expressway and State Tower is the top pick in Thailand. Want more? Check out our map of key buildings in Bangkok.