Edited Mars Reconnaissance Orbiter image of a pit from a collapsed lava tub on Mars. Processing variant.

Edited Mars Reconnaissance Orbiter Image of sand dunes and hills. Color variant.

Edited Mars Reconnaissance Orbiter image of a part of Kasei Valles on Mars. Color variant.

Edited Mars Reconnaissance Orbiter image of defrosting teardrop-shaped dunes. Color variant.

Edited Mars Reconnaissance Orbiter image of a round(ish) depression, looking a bit like a cat's eye, in a field of large boulders on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of large cracks in the surface of Mars in Cerberus Fossae.

Edited Mars Reconnaissance Orbiter PR image of a large rocky area in Aram Chaos on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of the interaction between ice and sand dunes in Olympia Undae. Color variant.

Edited Mars Reconnaissance Orbiter image of sand dunes called "Kohlar." Semi-infrared version.

Edited Mars Reconnaissance Orbiter image of a rocky crater floor (the other things being in crater floors: sand, ice). Color variant.

Edited Mars Reconnaissance Orbiter image of sand dunes in Mclaughlin Crater on Mars. Processing variant.

Edited Mars Reconnaissance Orbiter image of the limb of Mars and the thin atmosphere just barely visible over the surface of the Argyre Basin.

Edited Mars Reconnaissance Orbiter PR image of the rover Curiosity in Gale Crater. It's easy to spot Curiosity in this image...

Edited Mars Reconnaissance Orbiter image of the ice surface of the Martian south polar residual ice cap. Processing variant.

Edited Mars Reconnaissance Orbiter image of a crater 203 meters in diameter in the north polar layer. Color variant.

Edited Mars Reconnaissance Orbiter image of carbon dioxide snow on sand dunes on Mars.

Edited Mars Reconnaissance Orbiter image of slopes that are being monitored for changes in Eos Chasma.

Edited Mars Reconnaissance Orbiter image of sand dunes and rocky hills in the Aeolis Region of Mars.

Edited Mars Reconnaissance Orbiter Image of monitoring defrosting in the north polar region of Mars.

Edited Mars Reconnaissance Orbiter image of a two kilometer crater inside of Pasteur Crater. The blue is from basaltic material and if you look carefully, you can see rings, as if a pond or lake was evaporating.

Edited Mars Reconnaissance Orbiter image of dark ridges over light-toned substrate in the Eridania Region of Mars.

Edited Mars Reconnaissance Orbiter image of material in Terby Crater on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of watching gullies for something interesting to happen. (Like flowing water - that would be interesting.) Color variant.

Edited Mars Reconnaissance Orbiter image of frost on the sides of sand dunes in Moni Crater on Mars.

Edited Mars Reconnaissance Orbiter image of a possible landing site in Firsoff Crater for the Mars 2020 mission. Color variant.

Edited Mars Reconnaissance Orbiter image of a complex-looking crater in Utopia Planitia.

Edited Mars Reconnaissance Orbiter image of sand dunes in lines on Mars. Cropped version from NASA. Color/processing variant.

Edited Mars Reconnaissance Orbiter PR image of a montage of the landing site of the InSight lander. The left side shows the site in June of 2020 and the right side shows the site soon after InSight landed in November of 2018. NASA's point of the montage was to show the dark stain from the landing is fading away. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of fans on Mars caused by erupting carbon dioxide as it warms up in the local spring.

Edited Mars Reconnaissance Orbiter image of slopes that are being monitored for changes in Eos Chasma. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of part of the escarpment of Chasma Boreale near the Martian north pole. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of dust devil tracks in northwest Cassia on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of seasonal flows in (a very small part of) Valles Marineris.

Edited Mars Reconnaissance Orbiter image of sand dunes in lines on Mars. Cropped version from NASA. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of blue sand dunes (but only with the proper filters) in Lyot Crater. RGB shows dark sand dunes but IRB (infrared) shows a pretty blue...

Edited Mars Reconnaissance Orbiter image of dust devil tracks among rocks on Mars, set next to a dune field. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of a crater on Mars whose slopes are being monitored for gully formation (a sign that something slide down the crater wall).

Edited Mars Reconnaissance Orbiter image of landforms on Mars.

Edited Mars Reconnaissance Orbiter image of exposed, colorful bedrock on Mars.

Edited Mars Reconnaissance Orbiter image of slopes being monitored for changes on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of a dune sea in Ganges Chasma. Color variant.

Edited Mars Reconnaissance Orbiter image of dust devil tracks in northwest Cassia on Mars. Color/processing variant.

Edited Mars Reconnaissance Orbiter image of mesas on Mars, surrounded by dune-filled valleys. Processing variant.

Edited Mars Reconnaissance Orbiter image of layers or rock peeking out from sand dunes in Danielson Crater on Mars.

Edited Mars Reconnaissance Orbiter image of drag folds in Martian north polar layered deposits.

Edited Mars Reconnaissance Orbiter image of slopes being monitored for changes.

Edited Mars Reconnaissance Orbiter image of a complex set of canyons and cracks on the surface of Mars. Color variant.

Edited Mars Reconnaissance Orbiter image of a complex set of canyons and cracks on the surface of Mars.

Edited Mars Reconnaissance Orbiter image of a "well-preserved" (NASA-speak for "old") 13 kilometer impact crater on Mars.

Edited Mars Reconnaissance Orbiter image of a Martian crater with persistent ice.