One of the largest Roman settlements in Portugal.

The corpse bride of Portugal.

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

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

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

A hidden three-foot-wide house separates these two regal churches.

Picturesque intersection of witchcraft and ancient Christianity.

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

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

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

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

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

This small chapel is built of human bones and decorated with a golden skeleton.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Houses are tucked between, on, and underneath giant boulders.

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

This mix of Islamic art, vintage vehicles, weaponry, architecture, and history is an ode to eclecticism. 

These beautiful historic watchtowers were used for both scanning the desert for enemy invaders and observing the celestial world.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

The enormous diamond-shaped building packs a trove of academic and literary treasures into one futuristic space.

Home of the infamous Rug Man of Doha.

Qatar's oldest market can trace its origins back more than a century.

A state-of-the-art medical facility dedicated to treating beloved birds of prey.

The building is a gigantic piece of art inspired by the shape of a desert rose.