The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

This horseshoe-shaped waterfall is the second-largest on the African continent.

This striking otherworldly landscape outside Angola's capital city is the product of millions of years of erosion.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

The marker that allows students all over the world to be late for class.

A modern, secular take on a traditional Virgin Mary motif.

This chimerical bridge/tunnel appears to dead end right into the sea.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

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

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

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

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

These enlarged egg sculptures represent the native birds of eastern Iceland.

This natural rock formation features seemingly unnatural vertical ridges that have been blamed on elves.

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

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Three columns of volcanic rock shoot out of the ocean.