This castle has links to Portugal’s founding and struggles for independence.

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

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

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

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

"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.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

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

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 unique seaside cave where Aleister Crowley faked his own death.

A submerged village appears when dam levels drop.

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

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

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

This charming candle shop has been in business since 1789.

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

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

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

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

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

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.