City of Great Falls -Welcome to Great Falls Lewis & Clark and The Corps of Discovery crew were awestruck by the 'grand spectacle' of the great falls on the Missouri River. Two centuries later, the spectacle remains unchanged while Great Falls has become a travel destination with much to offer. Montana, from skiing to, sailing to snowmobiling, wildlife watching to golfing, fishing to hiking, whitewater rafting to just relaxing and taking in the scenery, there are a plethora of activities to keep you busy as long as you care to stay.