X: One hour is not long enough to admire all the exhibits.
O: One hour is not long enough to see all the exhibits.
X: I enjoyed admiring all the old buildings.
O: I enjoyed looking at all the old buildings.
Do not use admire when you mean see or look at. Admire means look at someone or something with a deep feeling of pleasure. This form of admire tends to be overused in tourist information brochures.
X: Although it was a sad film, I admired it very much.
O: Although it was a sad film, I enjoyed it very much.
X: Everyone admired your speech.
O: Everyone enjoyed your speech since it was very lively.
Do not use admire when you mean enjoy. Admire means to have a very high opinion of someone or something.