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

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

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

This castle has links to Portugal’s founding and struggles for independence.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

Perhaps the most spectacular grotto along the Algarve coastline.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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

A whimsical bridge adorned with decorative dragons.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.