An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The world's oldest bookshop still in operation.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Solitary monument dedicated to the beauty of nature.

A shrine to a 19th-century femicide victim turned miracle worker.

Museum precariously perched on a massive yellow pillar.