The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

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

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

This charming candle shop has been in business since 1789.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

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

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

The best place in the world to buy tinned fish.

Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

One of the smallest bookstores on the planet.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

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

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

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

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

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

A cluster of granite granaries perched on stilts.

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.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

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

This abandoned five-star hotel is now a five-star urban exploration destination.