Salt cured mummies continue to turn up in this Iranian mine.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A huge musical instrument played by the ocean.

Burial site of a Jewish prophet revered in Iran.

A fiery crater has been burning in the Karakum Desert since 1971.

These little castles each held thousands of pigeons.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The hottest place on the planet.

A salt lake dotted with steaming limestone chimneys.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

This deceptively salty lake looks like blushing pink lemonade.