A great view of Lisbon

A great 360º view of Lisbon:
https://www.visitasvirtuais.com/data/MiradouroDoArcoDaRuaAugusta/index-facebook.html

Try a great walk in Lisbon as well:
http://www.walksinportugal.com/lisbon-walk.php

Simply Sintra, from The Guardian

Sintra is often described as a Disneyland for grown-ups, but spend time exploring the surrounding beaches, seafood restaurants and woodlands, and you'll find there's much more to this historic town...

http://www.theguardian.com/travel/2013/aug/02/sintra-portugal-atlantic-coast-travel#