Snow forts are generally built by children as a playground game or winter pastime and are used as defensive structures in snowball fights.
Existing structures such as the walls or concave corners of a building can be used as part of the snow fort, allowing for faster and easier construction.
If made out of wet snow and left to freeze overnight, these blocks become almost indestructible.
[citation needed] They can be difficult to stack into a stable defensive structure, but they can double as unwieldy yet powerful missiles capable of punching holes in enemy snow forts, knocking over a grown man, etc.
The ecumenical SnowChapel, decorated with ice sculptures, has seen numerous weddings, with some couples coming from Japan and Hong Kong.
[citation needed] There are also ice decorations in Lainio Snow Hotel (near Ylläs and Levi, Finland).
[citation needed] In Kingston, Ontario, the annual FebFest snow sculpture competition in Confederation Park features snow forts by the Royal Military College of Canada and Queen's University.
It features a huge snow castle with window panes of ice built on Yellowknife Bay, on Great Slave Lake.
The design evolves every year and the castle has grown to include an auditorium, cafe, courtyard, traditional igloo, slide, parapets and turrets.