The amazing thing about Machu Picchu is not just that it's a historical site, it's the way it appears surrounded by nature that is what makes it special.
Macchu Picchu is special not just because it's a famous historical site, but because of the way it blends in with the surrounding nature and scenery.
「ただの歴史的な遺産ではなく、自然との調和もすごい」＝ The amazing thing about Machu Picchu is not just that it's a historical site, it's the way it appears surrounded by nature that is what makes it special. / Macchu Picchu is special not just because it's a famous historical site, but because of the way it blends in with the surrounding nature and scenery.
ボキャブラリー
歴史的な ＝ historical
遺産 ＝ (historical) site
自然 ＝ nature
調和 ＝ harmony （例文ではblend inという言い方を使いました）
amazing thing ＝ 凄い点・すばらしい点
surrounded ＝ 囲まれている
special ＝ 特別
scenery ＝ 景色
イギリス 
