An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

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

This 7,000-year-old megalithic wonder covered by a Franco-era reservoir emerges in times of drought.

A historic Christian shrine nestled within a spectacular natural cave.

This 47-story "M" needed 20 years to be completed

A celebration of solstice followed by a fiery purging of evils.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

An archeological treasure trove stumbled upon by a couple of children.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

A living art gallery painted on a canvas of Monterey pine trees.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

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

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

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

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

The chefs at El Diablo use heat generated by an active volcano to cook the food.

A charming Spanish village sits atop this natural limestone overpass.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.