A cheese discovery made by shepherds became the pride of a region.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

A network of hundreds of interconnected wineries in caves hides under the town center.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

A complimentary beverage is offered to the bodega's resident rodents every day.

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

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

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

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

This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.

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

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

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

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

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

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

12th-century holy complex shares land with a natural park full of heavenly waterfalls and raptors.

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

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

A micro-communist utopia in Spain with no police, no mortgages and full employment.

Seaside ruins of a settlement that date back to the first century B.C.

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

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

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