The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

The ruins of a 16th-century bridge loom over Olivença's sovereignty.

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

Sip cherry liqueur at a bar dating back to 1840.

A hidden three-foot-wide house separates these two regal churches.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

Step back in time at this 19th-century kiosk.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

A comprehensive look at the art of Joaquín Sorolla in his former home in Madrid.

This enigmatic Iberian sculpture of uncertain origin may have once guarded a burial site.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

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

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

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

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

Locals pay their respects at a shrine to soccer player Diego Maradona—which claims to contain a real lock of his hair.

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

The relics of dozens of martyrs are stored in a single chapel.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.