This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A naturally beautiful, seemingly bottomless deep blue spring.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

See how paper is made the old-fashioned way.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

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

Oriental bazaar in the heart of Sarajevo.

These warring psychedelic crags commemorate an unsuccessful military operation.

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

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Three columns of volcanic rock shoot out of the ocean.

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

A geothermal paradise with bubbling mud pools and bright blue hot springs.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

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

A sulfuric martian landscape that looks far better than it smells.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.