Question

срочно дам 40-80баллов

Answer 1

People often go to [называешь каждый город], because they want to visit (the) [называешь достопримечательность, относящуюся к этому городу].

Answer 2

Если я правильно поняла, вот так-  
People often go to London, because they want to visit Tower of London.
People often go to Paris, because the want to visit Eifel Tower.
People often go tо Washington, because they want to visit the White House.
People often go to Rome,because they want to visit Coliseum (Colosseum).