Natural Arch - Water-eroded Arches

Water-eroded Arches

Some natural bridges may look like arches, but they form in the path of streams that wear away and penetrate the rock. Pothole arches form by chemical weathering as water collects in natural depressions and eventually cuts through to the layer below.

Natural Bridges National Monument in Utah is another area to view several natural bridges.

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Famous quotes containing the word arches:

    The lean cats of the arches of the churches,
    That’s the old world. In the new, all men are priests.
    Wallace Stevens (1879–1955)