A monument to a beloved aquatic folk hero in the Irish town of Dingle.

This single room has survived the centuries with almost no deterioration.

This supermarket offers shoppers a window into the past alongside their groceries.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A unique museum dedicated to the Gullah-Geechee people, housed within an old oyster cannery.

The tabby ruin is Savannah’s oldest surviving structure.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

A unique seaside cave where Aleister Crowley faked his own death.

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

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

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

Eat the ultimate iteration of Portugal's most beloved pastry.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.