Las Vegas Bellagio Hotel fountains. The Bellagio Hotel opened in 1998 and cost $1.6 billion to build. The fountains are on a man made lake with more than 8.5 acres of water. A ballet of dancing fountains choreographed to music and lights. Ther are more than 1,200 dancing fountains. Highest point is 460 feet that span more than 1,000 feet. The Bellagio Hotel is located on the Las Vegas Strip. Photo by Carol Highsmith, 2009.