Yuki no Ōtani, also known as the snow canyon of Tateyama, is a must-see spectacle on the Tateyama Kurobe Alpine Road in Japan. Visitors can walk between towering snow walls over 20 meters high, creating a surreal and breathtaking experience. Accessible by bus only, this unique attraction is open from April to June, offering a limited window to witness its grandeur. Don't forget to bundle up with warm clothes and sunglasses for this chilly adventure!