These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Perhaps the most spectacular grotto along the Algarve coastline.

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

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

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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

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

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

A fortress off the West coast of Portugal that dates back to 1502.

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

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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the largest Roman settlements in Portugal.

Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

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

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

This tower once served as a radar station during the Cold War.

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.

One of the world’s longest pedestrian suspension bridges.

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