Crossing the cities in double decker buses is always a good idea, on board you will get to know all the stories and if you want, hop off for a while to visit. And it's worth visiting the Oceanarium with the Modern Lisbon Bus Tour, for example, it’s in Parque das Nações, in the modern area of the city. It is one of the biggest aquariums in the world and anyone surrenders to the beauty and diversity of species from different oceans. We run the avenues and discover Lisbon, in its buildings that harmoniously cross styles from the 18th century to nowadays, singular constructions like the Campo Pequeno square or the Pombaline downtown. On one hand it's exciting to experience the bustle of the city, but for a moment it feels good to take a break and discover that Lisbon can also be seen from the tranquillity of the Tagus river, on the Yellow Boat Tour that goes to Belem, while you leave the hills behind until you find monuments such as the Torre de Belem or the Padrão dos Descobrimentos. The gardens are also pleasant to walk around and relax, preferably in the company of some pasteis de Belem, a mandatory specialty on a visit to Lisbon! Then, hop on again, this time on the Belém Lisbon Bus tour and ride through the monumental district of Belém to hear its stories and discover its secrets.