"Blot the landscape" refers to an unpleasant or unattractive element that mars the beauty of a natural or built environment. Antonyms for "blot the landscape" would include "enhance the landscape", "improve the scenery", "beautify the surroundings", "add charm to the area", "elevate the aesthetics", and "enrich the landscape". In essence, these antonyms imply that the object or feature in the environment not only blends in seamlessly with its surroundings, but also adds value to them, further accentuating their natural beauty. Examples of objects that might enhance the landscape include a sculpture, a well-manicured garden, a striking architectural masterpiece, or an intricate piece of street art.