The best version of the underlined portions of sentences 2 and 3 is: stately old homes, nor are there beautifully.
A revised sentence is a new sentence that has an improved meaning. Punctuations and grammar are clarified in the revised sentence.
So, the sentences above lack conjunction. In the revised sentence, 'nor' is used to join the sentences.
Learn more about conjunctions here:
https://brainly.com/question/8094735