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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The world's oldest bookshop still in operation.

The stunning interior of this Gothic church is covered in ornate gold details.

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

A unique seaside cave where Aleister Crowley faked his own death.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

The corpse bride of Portugal.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

The "Little Ones," show Portugal in full miniature splendor.

A majestic hotel for dreamers rises from the center of a fairytale wood.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

Picturesque intersection of witchcraft and ancient Christianity.

Elaborate tile work in this railway station tells the story of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.