Fortified medieval tower house with lovely roof garden.

This beautiful 150-year-old synagogue survived Italy's fascist period and the Second World War.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Spain's stunning solar energy plant.

A 16th-century Andalusian palace.

The world's largest wooden structure.

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

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

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

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.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

One man's remarkable private collection of art from around the world.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Mountain where Jesus was first tempted by the Devil.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This natural wonder is disappearing at an alarming rate.