A popular Icelandic children's story comes to life inside this cave.

This museum dedicated to divination also honors a local 10th-century prophetess.

This black church sits alone among a field of lava rock.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

A lonely beacon, precariously perched atop a remote sliver of rock.

This fairytale-like structure is the last turf church ever constructed in Iceland.

This replica Viking village was created for a film that was never shot and is now open to visitors.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Rising from the sea like a stone monster.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This rusting remnant of the local herring industry is being given a second life.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

Medicinal spa created with the discharge from a geothermal energy plant.

A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

Space-age monument to an early 20th-century uprising.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

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

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

This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.