This historic fountain is a favorite neighborhood meeting point.

This fountain was designed to honor the man who helped bring water to Barcelona.

At least according to the Guinness World Records.

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

The fragmented remains of a massive public bath connected to the city's water supply.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

Barça football fans might see the insignia hidden in a church window as a divine sign.

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

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

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

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

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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

The world's largest wooden structure.

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

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

A bridge that has seen many reiterations over its lifetime.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A statue of the second-tallest Dutchman in history.