NASA's rover Opportunity visits Victoria Crater, viewed from orbit by the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter in october of 2006. Opportunity is a small dot on the crater's lip, at top right. Opportunity first reached the crater's rim on September 27, 2006.
Olympus Mons is basically a large shield volcano on the planet Mars. It stands nearly 22 km (14 mi) tall, making Olympus Mons the tallest mountain on any planet in the Solar System. This mountain stands almost three times as tall as Mount Everest's height above sea level.