"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

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

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.

Picturesque intersection of witchcraft and ancient Christianity.

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

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

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.

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

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

A museum dedicated to one of Portugal's most celebrated writers.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This little-known national museum houses over 40,000 works of art from across the world.

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

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

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

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

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

A garden in Lisbon filled with giant porcelain creatures.

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

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