• David McKelvey via Flickr
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    5. Sapporo Snow Festival, Sapporo, Japan

    The annual Sapporo Snow Festival is one of Japan's most popular winter events, attracting 2 million people to the town of Sapporo for the seven-day event.

    Visitors can see large and small sculptures on display at three main sites: Odori Park, where the event's large-scale structures are kept; Susukino, home to about 100 sculptures; and the Tsu Dome, where outdoor activities like snow slides and snow rafting can be found.

    If you go, head to the top of the Sapporo TV Tower at the eastern end of Odori Park for the best aerial views of the festival.