![](http://www.alamy.com/thumbs/6/79F93221-4859-47F6-8161-825888687F7C/BK1JAC.jpg)
The inside of the Tonto Natural Bridge in Payson, Arizona, USA. It is one of the world's largest natural travertine bridges.
Size: 3348px × 5035px
Location: Payson, Arizona, USA
Photo credit: © Brian Green / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: arid, arizona, backpack, backpacker, backpacking, beautiful, beauty, bridge, bridges, camp, camper, camping, camps, carbonatepine, climb, climbing, conservation, conservationist, conserve, creekstate, ecological, ecology, ecosystem, environment, environmentalism, environmentalist, erode, eroded, erodes, erosion, forestcalcium, formation, geologic, geological, geology, hike, hiker, hiking, landscape, national, natural, nature, outdoor, outdoors, park, parkmongollon, parks, payson, picnic, picnicker, picnicking, preserved, recreation, recreational, rim, rock, rocks, rocky, scene, scenery, scenic, southwest, tonto, tour, tourism, tourist, tourists, travel, traveler, travelers, traveling, travertine, unspoiled, vacation, view, vista, west, wilderness