Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

A pair of connected skyscrapers form this symbolic gateway.

A Serbian church lit by chandeliers made of weapons.

Structure built from the skulls of vanquished foes.

A whimsical bridge adorned with decorative dragons.

An ancient knight and a symbol of the city's freedom.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

Gargoyle head that brings good luck.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Oriental bazaar in the heart of Sarajevo.

A war-torn Olympic relic is being overtaken by graffiti and nature.

A naturally beautiful, seemingly bottomless deep blue spring.

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

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

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

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

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

This stunning concert hall has become a symbol of Iceland's national recovery.

Three columns of volcanic rock shoot out of the ocean.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.