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

A Brutalist architectural gem hidden among Skopje’s neoclassical buildings.

See gorgeous frescoes at this modest Byzantine place of worship.

A woman facing death for bearing a child out of wedlock lifted this massive stone as her legacy.

This statue commemorates the tale of the fisherman who captured a Kópakonan by stealing her skin while she was transformed as a woman.

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

The narrow passages will challenge even the bravest driver.

This tombstone marks the spot where the legendary British spy met his end.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

This isolated island is often capped by its own fluffy cloud.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

One of only two commuter aerial tramways in the United States.

Countless grotesque faces stare out from this eerie Prague art wall.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A sharp bend in a dramatic river canyon cut through red rocks.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A crumbling hospital from the 1850s on Roosevelt Island.

An artsy hidden staircase leads to breathtaking views of San Francisco.