The smart money would go with a safe (round door) buried in the ground. No fire burns the dirt up. Round doors can't be blown open. No body knows it's their unless you tell them. Nobody stands with a gun at your head to make you open it.
You don't want the same thing every body else has, it just is not smart. Many people think a gun safe is worthy of showing off to one and all, it's not. Better unseen and unspoken about.
Hide your safe.
