Thursday March 5, 2015
Jump to content
Photos by Tom Brossart/Roundup
July 29, 2008
Tonto Natural Bridge, measuring 183 feet high and spanning a400-foot long tunnel that stretches 150 feet at its widest point,is believed to be the largest travertine bridge in the world.
Use the comment form below to begin a discussion about this content.
Posting comments requires a free account