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

This crumbling Portuguese ruin overlooks the populace it once ruled.

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

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

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

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

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

Picturesque intersection of witchcraft and ancient Christianity.

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

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

The world's oldest bookshop still in operation.

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.

The corpse bride of Portugal.

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

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

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

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

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

This charming candle shop has been in business since 1789.

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