Most are found on the unseen far side of the Moon, but one famous swirl called Reiner Gamma can be seen by telescope on the southwestern corner of the Moon's near side. (sciencedaily.com)
A rare view of the far side of the moon, taken by the China National Space Administration's lunar probe. (businessinsider.com)
The MX - 1 is about the size of a coffee table, and NASA has left far more litter on the moon, most recently crashing its Lunar Atmosphere and Dust Environment Explorer into the far side of the moon in 2014. (nytimes.com)