Ancient catacombs form the foundation for this Rococo orgy of a church.

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

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

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

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

Perhaps the most spectacular grotto along the Algarve coastline.

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

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.

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

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.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

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

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

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

A garden in Lisbon filled with giant porcelain creatures.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The stunning interior of this Gothic church is covered in ornate gold details.

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

The world's oldest bookshop still in operation.