My uncel suggest me to enjoy a trip in Lisbon,

My uncles suggest me to enjoy a trip in Lisbon with my friends. Because he known that I am a biggest lover of traveling and its my passion. In my life I have enjoyed many trips. I am so happy for this trip. I think so I will be back from this trip with great memories. By the way, Can you share which things will makes my trip more amazing and attractive. I am waiting for all your replies. 






Should I do to enjoy trips to niagara falls from new york by bus?