This former monastery is still a revered religious site.

This beautiful medieval Serbian monastery is home to frescoes, peculiar sculptures, and historical curiosities.

An 11th-century Byzantine church with medieval Serbian history and spectacular views.

This medieval monastery represents an architectural blend of eastern and western European culture.

This fresco inside a Serbian cave church has been a source of disagreement.

Beautifully carved tombstones fill this unmarked graveyard, uniquely situated near the village's famous stone wine cellars.

The oldest church in Serbia was also the ecclesiastical seat of the region during the Middle Ages.

A Roman monument to their own civil engineering prowess.

This 15th-century Serbian Orthodox monastery also contained a school for illuminating manuscripts.

This fresco-covered medieval monastery hangs from the side of a steep cliff.

Despite being pillaged and destroyed a number over times down the centuries, this historic church still sort of stands.

This mesmerizing medieval monastery-cave complex sits thousands of feet above ground overlooking a valley.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Eerie ruins of an abandoned medieval fishing village crumble atop an unforgiving stretch of earth.

The oldest church in Iceland is one of the few to feature ornate decoration.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Exquisite examples prehistoric bas-relief carvings.

15,000 year old bison sculptures.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.