30- Mars Endeavour CraterM

From the press release:
The Strange Structure of Large Impact Craters on Mars Observed for the First Time by NASA’s Opportunity Rover

Endeavour crater, Mars. Left: location of Opportunity traverse. Right: Panorama from Opportunity rover of the north wall of valley cutting across the Endeavour crater’s rim showing inward-sloping layers.

Credit: NASA

Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.