Before Utah was cool Park City ski resort had a brochure all about the resort and on the back it's address read: "Park City, Wyoming". I guess Wyoming was hip at the time or something, maybe Utah was just reeeally embarrassing. Park City has a ton to offer in the way of year round activities including ski, snowboard, mountain biking, hot air balloons, shopping, art galleries, ziplines, alpine slides, festivals, concerts, history, tours, mining museums, food, etc.
Park City, Wyoming.
SUNDANCE film festival
Park Silly on Sundays
Free summer concerts at Canyons
Summer Park City Alpine slide
Olympic Ski Jump park
Hot Air Balloons
Mountain biking and Deer Valley Downhill MTB course
Cross Country Skiing and winter Tubing park
Deer Valley Summer Concert Series
Art Gallery Strolls
Click for more info...
Watch the skiers practice in the summer, it is REALLY cool. Call for schedule, you can even see them doing the bill hill ski jumps, the freestyle into-the-pool airs... and a museum
At the Olympic park
...or Park City Resort
A kind-of Sunday farmers market; artsy and cool
Summer events at the Canyons, free concerts etc.
Come to the festival or take a balloon ride; here is a link
to the festival, there are a host of rental companies too.
Both The Canyons and Deer Valley have mountain bike courses that are lift serviced. There are a loft of non-lift trails in Park City too.