Saguaro Park in southeastern Arizona, near Tucson, offers a landscape unlike anything you’ll see elsewhere. The park hosts about a million visitors per year (in 2024, 946,000 people visited).
Geologist Jeff Moore was visiting family in Tucson when he got the idea of adapting tools used to measure earthquakes for the study of saguaro cactuses. Studying the inner structure of a cactus ...
A 1970s proposal would have brought a 600-foot, neon saguaro cactus tower to Papago Park. Here's why it was suggested but didn't happen.