Though quieter on the festive front than Chiang Mai, Chiang Rai does offer up this small but charming floral festival right in the middle of the city at Suan Tung and Khome Chalermprakiet. Covering an 11-rai area, this 100-year-old prison-turned-park houses various kinds of winter flowers, from colorful tulips (orange, yellow, pink, red and magenta) to all sorts of sweet-scented lilies. After finishing your long trail, take a little time to visit the beautiful old buildings inside the compound, starting with the old wooden prison building that’s now home to an exhibition showcasing the costumes of 30 hill tribes in Northern Thailand. Another colonial-style building acts as an information center for the garden.