The "City with Seven Hills" is a city with more than seven viewpoints.
A lot of "Miradouros" are all around the city, providing a different views of the city. You don't have to go to the only great view point, because there must be a nice one in any neighbourhood. Both meat and fish are good to eat there. Buses, trams, and cable cars are all around the center of Lisbon. A full of attractions exist in the cities, such as Alfama, Bairro Alto, Baixa/Chiado, Belem, and St Jorge, and also around the cities, such as Cascais and Sintra. You stay will never be too long.