Billings is the largest city in Montana, and has avoided the economic downturn that affected most of the nation in 2008–2012 as well as avoiding the housing bust. More people over 50 are moving to Billings than any other city in the state. Its economic momentum, city amenities, all in the rugged western climate that makes Montana special, are a enticing draw for affordable retirement. Not far from Yellowstone National Park, Billings features stunning Big Sky Country landscapes and an oil-fueled economy. Health-care systems are prepping for an aging population, but limited use of public transportation translates to limited mobility and access.