This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

The only museum with its curator—and her pets—buried inside.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

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

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

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.

The corpse bride of Portugal.

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

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