The Mars Global Cave Candidate Catalog (MGC3) dataset contains a list of candidate cave entrance locations on Mars. Most entries in this catalog were identified by surveying images from the Mars Reconnaissance Orbiter‘s (MRO) Context Camera (CTX) and High Resolution Imaging Science Experiment (HiRISE) cameras.
Cushing, G.E. Mars global cave candidate catalog (MGC3). Astrobiology Science Conference 2017 (LPI Contrib. No. 1965).
Cushing, G.E., Okubo C.H. The Mars Cave Database. 2nd International Planetary Caves Conference (2015).