Sol 791, October 27, 2014. Just ahead of the rover’s right front wheel stand several fragile-looking rocks with curiously eroded structures.
NASA description: This image was taken by Front Hazcam: Right B (FHAZ_RIGHT_B) onboard NASA’s Mars rover Curiosity on Sol 791 (2014-10-27 21:15:28 UTC).
Sol 791 raw images (from all cameras), and Curiosity’s latest location map.