Subway is Cais do Sodré, Bus - 714 or tram - 25, get of on Conde Barão. The adventure starts as you head to Alfama, the old town area, passing by the river side where you can see the huge commercial plaza.
In Alfama you can see traces of the Arab occupation and the Roman presence in the architecture, the food, and some words as well. Watch traditional music fado and see some beautiful landscapes.
The city centre is also very interesting. It is super fun to drive Segways and easier than Alfama. See the oldest café in Lisbon and the shopping areas that are full of history. This area was rebuilt after the 1755 earthquake. You can also see the best restaurants to eat, the night life area, important churches, and so on. Take amazing pictures on the Segway and all the monuments and landscapes as well.