Cliffside houses provide a spectacular view from their perch above the valley.

Of course Salvador Dalí lived in a castle...

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

A charming Spanish village sits atop this natural limestone overpass.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The earliest known map to show America, discovered by accident at a Paris bookshop.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The home where the famous astrologer wrote some of his most telling prophecies.