1.   Another bus took us to a sandhill midway between Uluru and the Olgas, a nearby cluster of sandstone formations that look like chips off the old rock.

2.   But Castle Rock State Park is best known for its sandstone rock formations.

3.   The nine-mile link to Eagle Nest bisects the broad Moreno Valley, a sandstone formation with pastures sweeping up to fir-draped mountainsides.

4.   The tributary had carved spectacular sandstone formations.

5.   There you will discover this pretty creek, set in live oak and bay woodlands, with a craggy, impressive sandstone formation called Castle Rocks towering above.