This now abandoned restaurant provides some of the most amazing views of Lisboa.

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

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

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

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

This semi-secret storybook hedge maze is also the oldest garden in the city.

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

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

An abandoned, unfinished mansion on grounds strewn with lava rocks.