I have been fascinated during my travels in the last few years by the natural features forming arches or bridges.

This one I have not seen but it looks spectacular!
This was sparked off by a visit to the Natural Bridge State Resort Park and Red River Gorge in Kentucky U.S.A. Not one but many spectacular natural bridges are found there in a comparitively small area, all formed by the action of a rejuvenated river cutting into strata containing a resistant cap-rock.
Since then, I have been on the lookout for other examples, particularly those formed by different processes. The following are some results:
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Last Updated: May 2003