第一句：I want to visit some historic sites.
我想参观一些历史名胜。

A: Where do you plan to travel?
你打算去哪儿旅游？
B: I want to visit some historic sites. Can you suggest some places for me, please?
我想参观一些历史名胜。请问，你能给我推荐一些地方吗？
A: How about visiting the Great Wall? I hear the Great Wall is one of the eight wonders of the world.
去参观长城怎么样？我听说长城是世界八大奇观之一。

第二句：I want to see beautiful scenery.
我想看看美丽的风景。

A: I want to see beautiful scenery.
我想看看美丽的风景。
B: Why don't you go to the beach? You can enjoy fishing, boating and swimming.
你为何不去海边？你可以享受垂钓、划船和游泳的乐趣。

根据自己兴趣的不同，旅游时可选择不同景色，如历史古迹historic spots、名胜古迹places of interest 或文化遗址cultural relics 等等。