Las Vegas Lowell Observatory 1400 W. Mars Hill Rd. Lowell Observatory is famed among astronomers since this is where the planet Pluto was discovered in1930. Boston businessman Percival Lowell founded the observatory in 1894. Lecture tours and observation sessions are offered nightly. Museum of Northern Arizona 3101 N. Ft.
Permanent galleries showcase the area's anthropology, geology and the fine arts.
Exhibits occur throughout the year, including the colorful annual Hopi, Navajo and Zuni exhibits. On the NAU Campus. In Riordan State Historic Park at the end of Riordan Historic Park at the end of the Riordan Rd. The home is richly furnished with original artifact's and handcrafted furniture. Sedona 27 miles south of Flagstaff.