Seeing the sights' is a phrase used to describe the activity of visiting places of interest, such as monuments, museums, and other attractions. The crossword solutions for this phrase are AIMING (6 letters), TOURING (7 letters), and ONATRIP (7 letters). AIMING refers to the act of aiming one's attention or focus ON something, which in this case would be the sights. TOURING implies traveling around to visit different places, while ONATRIP is a combination of the words 'ON' and 'a trip', suggesting that one is taking a journey to see the sights.