Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

A lush indoor jungle fills this bustling Madrid transportation hub.

These megalithic tombs contain some of the largest stones ever moved in prehistory.

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

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

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Rare karst landscape eroded from a flat seabed.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

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

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

A reservation-only highland forest reserve of endangered Pinsapar firs stands above a village in Andalucía.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

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

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

The world's most elegant power lines.

The oldest Roman lighthouse still in use.

A street where pouring cider is an art form.

Two large posteriors in one giant statue.

This modern sculpture looks out over the sea and amplifies sound from the inside.

A spectacular walk on the flank of a gorge.

Marvel at this immense work of art that greets arrivals to the city.

Giant topiary dog once played a role in a terrorist bomb plot.