The Good news is that one day we'll know the truth, but for now we just have to wait...

...the president of the European Association of Archaeologists said on Friday that he had visited the 700-foot (213-meter) hill and saw no evidence that it was human-made. Speaking at a press conference in Sarajevo, Anthony Harding told reporters the pyramid-shaped hill was a natural phenomenon. "My opinion and the opinion of my colleagues is what we saw was entirely geological in nature," the AFP news agency quoted him as saying.

Source: National Geographic

If (as I believe) there will be a global cataclysm one day in the future, and if (as I believe) it will involve every kind of natural disaster imaginable - earthquakes, floods, tsunamis, volcanic eruptions etc...

So if THAT happens, I suggest being as far away from nuclear reactors as possible, for they will not be able to withstand a cataclysm, and surviving the aftermath will be hard enough without dealing with your own local Chernobyl as well. A quick glance at the map should give you an idea of the safest regions (hint: Australia).

Source: INSC