A small sanctuary carved into the mountainside near the tallest point in continental Portugal.

This tower once served as a radar station during the Cold War.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

An 11th-century medieval castle cascades over the town of Numão.

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

This museum is home to one of the biggest collections of printing press technology—plus a river view.

The ruins of a 16th-century bridge loom over Olivença's sovereignty.

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

The walls of this small village have been turned into a living street art gallery.

This abandoned fortress still stands guard over the Guadiana River despite a history of warfare.

A naturally occurring amphitheater carved by erosion into the mountainside.

This historic streetcar system has been running since the 19th-century.

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

Building owners can take out tiles for free at this repository for historic building materials.

This enigmatic Roman tower lurks just outside Belmonte.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

An architectural gem nestled into a promontory overlooking a prehistoric landscape.

This chapel is the site of a yearly pilgrimage that originated during the Middle Ages.

A small but charming botanical garden that contains many exotic plant species.

This castle has links to Portugal’s founding and struggles for independence.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.