We use THE in :
Hilton Hotel
National Theatre
Sahara Desert
Atlantic Ocean
White House
Royal Palace

Hotels/restaurants/pubs The Red Lion
Theatres/cinemas The Palace Theatre, The Odeon Cinema
Museums/galleries The British Museum, The Tate Gallery
Other buildings The Empire State Building, The White House
Oceans/seas/canals The Suez Canal, The Indian Ocean
Newspapers The Washington Post, The Financial Times
Organisations The European Union, The BBC

Names with ...of... usually have THE
The Bank of England the Tower of London The Museum of Modern Art
The Houses of Parliament The Great Wall of China The Tropic of Capricorn
The Gulf of Mexico the University of London

Many shops, restaurants, hotels, banks etc, are named after the people who started them. These names end in -`s or –s. We do not use THE with these names :

McDonalds
Harrods (shop in London)
St Paul`s Cathedral

Names of companies, airlines etc. Without THE
Fiat Sony Kodak British Airways IBM