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

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

Panoramic views from the mountains over a facility built to provide tuberculosis patients with fresh mountain air.

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

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Houses are tucked between, on, and underneath giant boulders.

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

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

A whimsical bridge adorned with decorative dragons.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

A naturally beautiful, seemingly bottomless deep blue spring.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

According to a local legend, this old castle could only be built after a woman was immured in the walls.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

In this town's main square resides a statue of none other than the 43rd President of the United States.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

This outdoor library provides around-the-clock access to around 7,000 books.