After nearly 50 years of living in the Rocky Mountains, I thought I knew how to enjoy the winter. I've gone skiing, skating, snowshoeing, snowmobiling, tobogganing, sleigh riding, dog-sledding and more.

But until this winter, I'd never heard of bumper cars on a skating rink. And it wasn't until recently that I had my first chance to carve turns down a ski hill on a snowbike.

It's part of a trend to provide visitors to ski resorts and other snowy destinations with a wider variety of choices, said Troy Hawks, managing editor of the National Ski Areas Association Journal.

"What we're seeing is a larger swath of the family -- you've got the grandkids all the way to the grandparents -- and all of them have their idea of how they want to spend their day," he said.

Some activities are more popular in certain regions, and some aren't well advertised, so for a different spin on a snow-destination vacation, here are some things to look for:

Air bags: These massive, inflatable air bags are placed at the bottom of jumps to allow skiers and boarders to try flips and spins. Nail the landing on your feet and you ride off down the hill. Fail, and you have a soft landing. www.bagjump.com; www.bigairbag.com.


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Airboards: A high-tech spin on winter tubing, these snow body boards are inflatable sleds with molded plastic runners on the bottom and handles on the top. The sleds can reach speeds of 60 mph or more, and users steer by shifting their body weight. They're offered at some ski areas (though banned at others) as well as through some private operators; www.airboard.com has a partial list of rental locations.

Bumper cars on ice: Just what it sounds like, these are turning up at skating rinks from coast to coast. The battery-operated "cars" are large rubber tubes with molded seats that can hold one adult or an adult and small child. Controlled by two joysticks, they are easy to steer or spin as they bump along on wheels with tiny cleats. Most rinks have age, height or weight restrictions.

First tracks: The opportunity for intermediate and advanced skiers to take the first runs in the morning before the slopes open to the public is an option at more resorts. Some, like Northstar at Lake Tahoe, require skiers to stay with a guide; others, like Aspen, Colo., include a gourmet breakfast. Steamboat Springs, Colo., has been experimenting with multiple-day First Track passes, some of which can be shared among buddies.

Skijoring: From the Norwegian word meaning "ski driving," skijoring is still primarily the stuff of winter carnivals and cowboy competitions. But some places, like the adult-only Triple Creek Ranch in Darby, Mont., offer guests the chance to see what it's like to be pulled on Alpine skis behind a horse. Other resorts, like Eden Mountain Lodge in Eden Mills, Vt., and Devil's Thumb Ranch in Tabernash, Colo., work with experienced skiers and their own dogs to learn what it's like to go mushing on Nordic skis.

Ice castles: These massive ice castles are formed by thousands and thousands of icicles. A series of pathways takes visitors through ice columns, tunnels, caverns and archways. Introduced last year in Silverthorne, Colo., the castles were being built this winter in Steamboat Springs, Colo., and at the Mall of America in Bloomington, Minn.

Snowbikes: Bicycles that ride on skis, rather than wheels, have been around in various forms for decades, but now they have the blessing of some ski resorts, which rent the bikes and offer instruction. Smaller skis clip to your ski boots, helping with balance and maneuvering. The bikes can be taken on the chairlifts to access a variety of terrain. www.snowbike.info.

Snowkiting: Snowkiting or kite boarding is a cousin to ocean kite surfing. For the winter version, experienced, fearless skiers or snowboarders are harnessed to kites and use wind power to propel themselves around. An extreme sport, it requires strength and an understanding of wind patterns. Lessons are recommended.