You can have a basketball goal , but nothing Canadian looking
https://www.washingtonpost.com/local/his-backyard-ice-rink-honors-a-stepdaughters-memory-now-county-inspectors-may-close-it/2015/12/31/abb447ac-afdd-11e5-b820-eea4d64be2a1_story.html
https://www.washingtonpost.com/local/his-backyard-ice-rink-honors-a-stepdaughters-memory-now-county-inspectors-may-close-it/2015/12/31/abb447ac-afdd-11e5-b820-eea4d64be2a1_story.html