<p><i>This list was first published in the book </i><a href="http://shop.nationalgeographic.com/ngs/product/books/travel-and-adventure/travel-best-sellers/world-s-best-travel-experiences" target="_blank">World's Best Travel Experiences</a>.</p> <p class="p1">A seeming paradise that claims to have 350 sunny days a year, <a href="http://www.visittucson.org/" target="_blank">Tucson</a> boasts geological beauty and hiking so fantastic that visitors can be lulled into a false sense of security. Be warned: It isn’t unusual for temperatures to soar higher than 110ºF (43ºC) in summer months, when the rocks and cement can hold that heat well into the evening hours.</p>

Tucson, Arizona

This list was first published in the book World's Best Travel Experiences.

A seeming paradise that claims to have 350 sunny days a year, Tucson boasts geological beauty and hiking so fantastic that visitors can be lulled into a false sense of security. Be warned: It isn’t unusual for temperatures to soar higher than 110ºF (43ºC) in summer months, when the rocks and cement can hold that heat well into the evening hours.

Photograph by Greg McCown, National Geographic

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