The ruins of an ancient stadium that hosted gripping chariot and horse races.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

One man's remarkable private collection of art from around the world.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

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

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

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

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

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

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

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

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

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

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

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

An automaton perched above an classic clock and watch store

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.