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

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

A well-restored ancient archaeology site gives a real feel for life during the Roman age.

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

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

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

This Michelin-starred restaurant sheds light on a rare period of cultural and culinary tolerance in Cordoba’s past.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

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

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

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

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

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

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

The Gaudí-inspired building that was the start of Terrassenc modernism.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

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

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

A historic Christian shrine nestled within a spectacular natural cave.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

This century-old ruined temple was reborn as "The Church of Skate."

Peek into a cave of giant, glimmering crystals.