Then they left, leaving their black monoliths behind.

The black monolith was standing - or floating - only two meters from his bunk.

Yes, they had seen the black monolith of Ahriman, but only from a distance.

And it didn't need a black monolith to point it in the proper direction.

It rose out of the brown earth like a monolith, black and mute.

Of course everyone knows what happened in 2001; they found a big black monolith on Luna - but in 19561 didn't know that.

Eventually it did much more than that, as somewhere during production the pyramid evolved into the now famous black monolith.

The sculpture consists of a black monolith set on a circular base.

It's just sitting there: a big black monolith with the little light blinking at me.

It rose behind the fence like a black monolith.