Fishing off of Mirror Lake Highway in the Uintas (Summit) .
Swim in the Crater at the Homestead (Wasatch).
Rent off road vehicles at the Zermatt and off-road the Wasatch back to Cascade Springs (Wasatch).
Walk around Park City and eat (Summit).
Zip-line, alpine slide, coaster at Park City (Summit).
Utah Olympic Park (Summit).
Rent bikes and use chair lifts at Deer Valley (Summit).
Walk around Silver Lake at Brighton (Salt Lake).
Rent wave-runners and go out onto Utah Lake (Utah).
Hike to Stewart Falls (Utah).
Tube down the Provo River (Utah).
Eat lunch at Sundance Resort (Utah).
Bridal Vail Falls (Utah).
Utah Natural History Museum (Salt Lake).
Go see a Rodeo (various).
Take a tour of Timpanogos Cave (Utah).
Karting at Miller Motor Sports Park (Tooele).
Take the tram at Snowbird or do the other activities like zip-line or alpine slide (Salt Lake).
See a 3D movie in the recliners at a Megaplex (Salt Lake or others).
Go to Lagoon (Davis).
Hill Air Force Air Museum (Davis).
Antelope Island (Davis).
Golden Spike National Historic Site (Box Elder).
Go to a gun range (various).
Trap shooting at Lee Kay Shooting Center (Salt Lake).
Nebo Loop Road and Payson Lakes (Utah).
Mormon historical sites and museums in Salt Lake (Salt Lake).
City Creek Mall (Salt Lake).
Bees baseball (Salt Lake).
Real Salt Lake soccer (Salt Lake).
Rent bikes and ride Jordan River Parkway (Salt Lake).
Golf (anywhere).
Wyoming Downs (Evanston Wyoming).
Wendover Casinos (Wendover Nevada).