Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The final resting place of the great navigator, or maybe his brother.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

The world's largest wooden structure.

Spain's largest bullring offers a unique glimpse at architecture and history.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

An eerie collection of the surviving structures from a past celebration of the future.

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

This Gallo-Roman sanctuary is dedicated to Serápis, god of the underworld.

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

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

An ancient tomb that still stands in Portugal.

Spain's stunning solar energy plant.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

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

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A hidden three-foot-wide house separates these two regal churches.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

Elaborate tile work in this railway station tells the story of Portugal.