Sports betting in the United States has exploded into a nearly $10 billion market in the six years since it became legal outside of Nevada.

The three major professional leagues in North America—the National Football League, the National Basketball Association, and Major League Baseball—dominate the action, but you can make (or lose) money on plenty of other games.

Sqore compiled a list of five niche sports you didn’t know you could bet on. It might not be advisable without that insider information, but small wagers on these one-of-a-kind offerings would only push their already elite entertainment credentials over the top.

From jai alai to mountain unicycling, there is a sport for every bettor. These activities, featuring varying degrees of professionalism, are all unique, fascinating, and just plain fun. Think of the quadrennial popularity of curling, which shines when the Winter Olympics roll around but otherwise flies under the radar.

While betting on NFL games, for example, is a fool’s errand because of sharp lines, early professional wagers, and the number of eyes on every aspect of the contests, betting on reindeer racing or cow chip tossing might just be worthwhile. You could catch bookmakers unaware if you have a particular passion that translates to special knowledge. Gambling is, however, still always a matter of conducting exhaustive research, playing it safe with your bankroll, being selective, and—perhaps most importantly—getting lucky.