U.S., April 23 -- Salt Lake City in the state of Utah in the US is booming, with projects like the $3.6 billion redevelopment of the Salt Lake City International Airport, where a completely new airport will begin serving passengers in 2020. A 28-story convention hotel is expected to break ground later this year and bring more than 700 rooms and 62,000 square feet of additional meeting space to the city when it opens in 2022.

Salt Lake is a dynamic Western city with an incredible array of hip new restaurants, buzzing brewpubs, and an NBA team, not to mention Broadway shows and performing arts venues. And just 35 minutes from downtown, 4 of the best mountain resorts in the west are primed for retreats and post-meeting recreation. Here's wh...