You can walk to most downtown attractions if your hotel is located ... Meanwhile, the yellow and blue lines trace Lisbon's main avenues, but are used more by residents than tourists.

3-4 days are ideal to soak in the city's main attractions. For a leisurely experience, a week works wonders. Lisbon is a mesmerizing tapestry of old-world charm seamlessly woven with modern vibrancy.

While many consider it overrun by tourists, Baixa's pedestrian-only Rua Augusta is still one of the city's main shopping ... around some of the top attractions and in Lisbon's outskirts.