Loving The Sioux Falls Community Sioux Falls, home to our Xcel office in South Dakota is also blocks away from the waterfalls of the Big Sioux River and remains a very popular local landmark and tourist attraction. We love seeing all the pink quartzite and appreciate all of the vision and love of the community. Whether you are looking for family fun and adventure or relaxing at an amazing restaurant with award winning Chefs, Sioux Falls offers it all for its families. Explore the great outdoors with our bike trails and Kayaking down the Big Sioux River. Sioux City South Dakota is rapidly growing to become the city of prosperity and quality of life for everyone from business owners to families.