A micronation on an islet along the coast of a Portuguese island.

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

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

A lush oasis full of vibrant plants and striking geometric displays.

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

A cluster of granite granaries perched on stilts.

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

The corpse bride of Portugal.

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

One of the largest Roman settlements in Portugal.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

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

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

One of the smallest bookstores on the planet.

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

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

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

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

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.

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 world's oldest bookshop still in operation.

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