The International UFO Museum & Research Center in Roswell, New Mexico is a non-profit dedicated to the collection and preservation of materials and information related to the 1947 Roswell Incident as well as unexplained phenomena related to UFO research worldwide. They focus on UFO history, science and research.
The Center shares theories about an unidentified flying object that crashed at a ranch in Roswell, New Mexico. They have an extensive library, exhibits, and a gift store.
Their hours are 9 a.m. – 5 p.m. daily and admission is free for kids under age 5. More information is here.