You can cross from one country to another in a single hop on this little bridge.

This star-shaped military outpost is now simply trying to protect itself from neglect.

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

One of the largest Roman settlements in Portugal.

The crumbling ruins of an abandoned 12th-century monastery.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.