Eat the ultimate iteration of Portugal's most beloved pastry.

This enigmatic Roman tower lurks just outside Belmonte.

These rock drawings in the Côa Valley also create an ancient optical illusion.

An architectural gem nestled into a promontory overlooking a prehistoric landscape.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

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

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

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

One of the largest Roman settlements in Portugal.

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

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

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

Ancient catacombs form the foundation for this Rococo orgy of a church.

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.

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

Perhaps the most spectacular grotto along the Algarve coastline.

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

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.

The world's oldest bookshop still in operation.

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

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.