Ancient overseer

They came from the great dephts of space, from their ancient empire far beyond our known constalations, yet the knowledge of their very excistance has withered away with the elapse of thousands upon thousands of years, but their design and architecture, which they forced our ancestors to obide, has withstood the test of time and is a well known sight across Tellus...

yuyup, my contribution to RDC's "Deep space" contest.