"famous sight" is correct and usable in written English.
You can use it when you are describing a place that is known for being beautiful, historically significant, or well-known for some other reason. For example: "The Eiffel Tower is a famous sight that visitors from all over the world come to admire."
CITY officials are faced with an awkward question: what to do with the tourists who want to see the most famous sight in New York?
Whalley's most famous sight is Whalley Abbey, whose ruins date back to the 14th century, when it was a Cistercian abbey, but the village is also the meeting point for the North and South Lancashire Cycleways, two circular routes covering 260 miles of outstanding scenery.
(The island served as the languid backdrop to Anthony Minghella's film "The Talented Mr. Ripley".) A stone causeway connects the cobbled streets of Ischia Ponte to the island's most famous sight, the Castello Aragonese, a fortress that looks like a Mediterranean Mont Saint-Michel.
Many of the city's most famous sights are inaccessible because of urban pollution.
San Marco is the heart of town, with the most famous sights – and the most sightseers.
On Nov. 7, 1805, Clark made his famous sighting of "Ocien in View".
A brochure promises that the audience will "experience New York's most famous sights from views only daredevils can imagine".
Colour The World features illustrations of famous sights, including Machu Picchu and Istanbul's Blue Mosque, all waiting to be coloured in.
They pointed out that Baikalsk could become a major tourist center, given that Lake Baikal is one of Russia's most famous sights.
An Istanbul guide should really mix the famous sights with the bewildering sounds and smells and a profound sense of the Ottoman Empire's past glories.
He has enough spare cash to occasionally go to Internet cafes and visit some famous sights, like the Summer Palace and the Bird's Nest.
