Mars
The giant canyon Valles Marineris on Mars:
A close up of a section of Valles Marineris called Candor and Ophir Chasmata recorded in 1978 from the orbiting Viking 1 and 2 spacecraft. The image shows surface collapse and landslides and is about 800 km across:
Image of a 1700 km by 65 km portion of Valles Marineris taken on January 14, 2004 by the orbiting Mars Express spacecraft:
The central region of Valles Marineris from the Mars Express spacecraft:
