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

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

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

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

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

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

This abandoned five-star hotel is now a five-star urban exploration destination.

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

A hidden three-foot-wide house separates these two regal churches.

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

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

Perhaps the most spectacular grotto along the Algarve coastline.

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

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

Picturesque intersection of witchcraft and ancient Christianity.

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

A garden in Lisbon filled with giant porcelain creatures.

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

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

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

A submerged village appears when dam levels drop.

This charming candle shop has been in business since 1789.