Opportunity Rover is a location on Mars. It was launched from Earth in 2003 and was active from 2004 to 2018.
The location can be unlocked from reading the display for the Rover at the NASA Launch Tower located on the planet Earth in the Sol system. A Snow Globe can be found here.
Background[]
The Opportunity Rover served its mission for 14 years before becoming inactive. As of 2330 it is still present on the surface of Mars but dirty and inactive.