This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

This beautiful, historic church looks like something out of a simpler past.

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

Three columns of volcanic rock shoot out of the ocean.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

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