Lowell Observatory Action & Adventure, Coastal, Fall, Landscape, Modern Architecture + Waterfall Pictures

• Flagstaff
• Grand Canyon
• Arizona
• Coconino County
• USA
• North America
• World

This observatory is famous for discovering the dwarf planet Pluto and features many educational activities, historic telescopes and events for visitors.

This observatory is famous for discovering the dwarf planet Pluto and features many educational activities, historic telescopes and events for visitors.