Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

Whimsical sculptures and caves chiseled by nature over the millennia.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

You can soak in three relaxing pools filled daily by the tide.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

A neighborhood park in the city of Cáceres hides what some believe are revolutionary examples of Neanderthal cave art.

This enormous censer uses a pulley system installed over 400 years ago.

An old wool-washing house filled with Fluxus contemporary art.

Archaeological site of Iberian people ruins.

A model solar system adds a celestial touch to this suburban park.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

One of Europe's oldest yew trees has lived more than 2,000 years.

This site is both a remarkable reminder of the town's mining history and a fantastic government blooper.

Fascinating exhibits of prehistoric and ancient artifacts displayed with a uniquely modern touch.

This 19th-century fountain's namesake animal isn't what you think it is.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

The unexpectedly beloved remnants of a controversial thermal power plant.

This charming, medieval walled village is Spain's first "book town."

An abandoned socialist utopia built in the late 19th century.

This postmodern apartment block was designed to be a vertical neighborhood.

An early 20th-century bullring converted into a modern shopping center.