Lisbon in 3 days

Alfama

Lisbon, Portugal en.wikipedia.org

Get lost on purpose. Best in the early evening when the fado starts.

Jerónimos Monastery

Belém, Lisbon, Portugal en.wikipedia.org

Bairro Alto

Lisbon, Portugal en.wikipedia.org

Santa Justa Lift

Lisbon, Portugal en.wikipedia.org

Skip the lift, walk up behind the Carmo ruins to reach the top.

Sintra

Sintra, Portugal en.wikipedia.org

Day trip. Take the earliest train from Rossio and do Pena Palace first.

São Jorge Castle

Lisbon, Portugal en.wikipedia.org

Go at opening. The views over the river are the reason to come.

Belém Tower

Belém, Lisbon, Portugal en.wikipedia.org

Seeing it from outside is enough. The queue isn't worth it.

Calouste Gulbenkian Museum

Lisbon, Portugal en.wikipedia.org

Quiet, brilliant collection, and the gardens are a great place to sit.

Praça do Comércio

Lisbon, Portugal en.wikipedia.org