Immigrants when entering the United States through New York's Ellis Island would see the Statue of Liberty.
The primary landmark in Brisbane, Queensland is Mt Coot-tha. If a river can be described as a landmark, then the Brisbane River would earn the title of Brisbane's primary landmark.
It would help if the question stated after which landmark number.
Since Sudan is an African country, a person who immigrates from Sudan to the US would qualify as an African-American.
The landmark is the mean median range and more
The most famous landmark would be Chimney Rock in the western Nebraska panhandle
The most historic landmark in Africa would have to be Mount Sinai where the God of Israel gave Moses the Ten Commandments and other laws for his chosen people to obey. The most historic man-made landmark would be the pyramids at Giza.
That depends on where it is. If there is a single road in a vast stretch of barren desert, then you could say that it is a landmark. If there is a complex web of roads in a big city, then no one road would be a landmark. Think about the meaning of the word landmark: it is something that marks the land. Therefore it has to stand out, be distinctive in some way.
That would be Crater Lake.
One famous landmark would be the Esplanade. Most would describe it as durian-like. It is also the place to go for performances (art, music, ballet etc) be it paid or free ones.
If by tn you mean Tennessee, then the landmark would be Graceland, the mansion of US singer Elvis Presley.
a famous landmark would be dodo
The Giant's Causeway would be the most famous.