Victoria Falls - the largest waterfall in the world - is impressive, even in the dry season. In fact, the views are better as the falls aren't obscured by mist.
When it comes to man-made disasters - it’s difficult to top the Aral Sea disaster. At the fishing port of Moynaq, the rusted, stranded ships are now 170 km from the actual shores of the Aral Sea.
The night hike up Kawah Ijen to Indonesia's famous blue-flame volcano, complete with green crater lake and workers extracting sulphur amid toxic smoke.