One of the largest Roman settlements in Portugal.

Dead weights honor the dead of Portugal's fishing industry.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This star-shaped military outpost is now simply trying to protect itself from neglect.

A garden in Lisbon filled with giant porcelain creatures.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

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

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

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

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

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

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

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

The world's oldest bookshop still in operation.

Picturesque intersection of witchcraft and ancient Christianity.

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

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

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

France's most famous cemetery, with some of its most curious tombs.