Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

It's said this was once the home of King James V's pet lion.

A hugely vast Irish landscape of barren rock that stretches for miles.

A brutalist gem towering over the heart of Milan.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

An island on the Venetian Lagoon hosts this stone chair that has nothing to do with the King of the Huns.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Two stone columns flank the grand Venice square, but there were supposed to be three.

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

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

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

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

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.