The Backstreet Boys got wet and wild with their fans this week in Canada -- by going on rides with them at a waterpark!

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Nick Carter, Howie Dorough and Brian Littrell all went to Calypso Park in Ottawa Wednesday -- where they gave fans a once-in-a-lifetime chance to meet their favorite boy band.

The three guys were spotted on a giant raft ride surrounded by both male and female fans, getting up close and very personal with them and hanging out shirtless.

Check out more photos of the crew at Canada's largest waterpark!

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