Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

This hidden courtyard in the Andorran capital hosts a unique contemporary sculpture park.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Strange masks and obscure costumes are housed in this old Madrid corrala.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

Five million people are laid to rest here, more than the population of Madrid itself.

Remains of the lost church hide beneath this Spanish Parliament building.

An automaton perched above an classic clock and watch store

A unique exhibit lets blind people experience famous works of art and architecture with their hands.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

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

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

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

This small museum tucked within a subway station holds pieces from Madrid's past.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

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

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

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