In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

A cluster of granite granaries perched on stilts.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

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

One of the world’s longest pedestrian suspension bridges.

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

This crumbling Portuguese ruin overlooks the populace it once ruled.

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

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.

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

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

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

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

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

A submerged village appears when dam levels drop.

Perhaps the most spectacular grotto along the Algarve coastline.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

This small chapel is built of human bones and decorated with a golden skeleton.

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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

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

This Slovenian museum houses the country's largest collection of painted beehive panels.