Obligatory "wouldn't it be cool if" (acknowledging that this is NOT going to be the result):

Wouldn't it be just the coolest fucking thing ever if our probe got there to discover the remnants of a SPACE STATION that definitely wasn't built by human hands?

that'd be some freakin stellaris shit right?

our civilization gets a dialogue box providing the options to repair it and research it to produce a bit of science every month, or we can scrap it for a nice instant boost of metals or something :p