A glacial valley filled with silver beech trees in the mountains of Portugal.

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

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

A small Portuguese cottage formed between boulders in the countryside.

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

Picturesque intersection of witchcraft and ancient Christianity.

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

One of the world’s longest pedestrian suspension bridges.

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

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

The "Little Ones," show Portugal in full miniature splendor.

One of the largest Roman settlements in Portugal.

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

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

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

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

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

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

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

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

Perhaps the most spectacular grotto along the Algarve coastline.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.