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

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

Building owners can take out tiles for free at this repository for historic building materials.

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

You can cross from one country to another in a single hop on this little bridge.

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

This star-shaped military outpost is now simply trying to protect itself from neglect.

Perhaps the most spectacular grotto along the Algarve coastline.

One of the smallest bookstores on the planet.

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

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

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

"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.

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

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

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

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

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

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

A small Portuguese cottage formed between boulders in the countryside.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.