www.slvufo.com Over the years there have been numerous unexplained UFO sightings in the San Luis Valley of Colorado. This observation tower is located just North of Hooper, Colorado in the San Luis Valley, near the route to the Great Sand Dunes and Colorado Gators. They feature an excellent gift shop enclosed in the "dome" with a large selection of books and UFO related items. There is also a camping area. The staff is very friendly and offer plenty of information to the visitors.