| | Lowell Observatory | | Lowell Observatory was built in 1894 by Dr. Percival Lowell to better observe Mars. The observatory features historic instruments, and offers tours, education programs, and night observation times. | |
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| | Montezuma Castle | | Montezuma Castle's is one of the best preserved cliff dwellings in North America. The five-story, 20-room cliff dwelling served as a "high-rise apartment building" for prehistoric Sinagua Indians over 600 years ago. | |
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